What were the results of the experiment done by Dr. Tierno?
Answer:
There were many different microorganisms on the pillows. Dr. Tierno stated that these germs were probably causing the kids to have allergy symptoms.
I hope that answers your question
where are your taste buds?
Answer:
tongue is the answer....
Suppose that an elephant with the genotype EEFfggHh reproduces with an elephant with the genotype eeFFGgHh. What is the prob256ability that a baby elephant (called a calf) would have the genotype EeFFGghh?
A. 0
B. 1/32
C. 1/256
D. 1/16
Explantation appreciated!!
Mass is the amount of matter in an object?
Which statement is true?
A. A person's mass on the moon is less than it is on Earth.
B. Whether on the Earth or the moon, a person's mass is the same.
C. Gravity changes the amount of matter there is in an object.
D. Mass is the same thing as weight.
Answer:
D
Explanation:
because Weight is heavy something is and mass is how heavy
Which is NOT a way that the
respiratory system filters the air
we breathe?
A. cilia
B. mucus
C. saliva
Answer:
C
Explanation:
Saliva is through the mouth and is too break down food and has nothing to do with the respretory system
Hope this helps!
The picture shows a scientist collecting data from an ice core: What kind of data can be collected from ice cores to learn about past climates?
A. humidity
B. air pressure
C. amount of carbon dioxide in the air
D. ocean surface temperature
Ice core can tells various information regarding the atmosphere. It can reveal the temperature, precipitation, and other atmospheric conditions. Here in the image, the scientists can learn about the ocean surface temperature, i.e., option D.
What is an ice core?Ice cores are ice-drilled cylinders made from ice sheets and glaciers.
They are capsules that are frozen and allow scientists to reconstruct climate far into the past.
It can be used to detect the ocean surface temperature.
Thus, the correct option is D.
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Which of the following is MOST likely to be a direct environmental effect of air pollution?
A: Extended visibility
B: Acid deposition
C: Increased turbidity
D: Eutrophication
A: Extended visibility
B: Acid deposition
C: Increased turbidity
D: Eutrophication
The correct is B
An anti-antibody is an antibody directed against ____________________.
Answer:
ANOTHER ANTIBODY MOLECULE OR A
Explanation:
I just know
Hi there !
Why is biodiversity important ?
Thank you
Answer:
Biodiversity is necessary for all species on Earth, including humans, to function properly. We cannot have healthy ecosystems that give us with the air we breathe and the food we consume without a vast range of animals, plants, and microorganisms.
Explanation:
Answer:
Biodiversity is essential for the processes that support all life on Earth, including humans.
Explanation:
Mr. and Mrs. Kolar want to help their 12-year-old daughter Karen
resist peer pressure to smoke. They encourage Karen to brainstor
ways to refuse a cigarette in different situations that might come
up. What thinking skill are the parents helping Karen build?
-handling a hypothetical situation
-role playing
- memory
-transitivity
They encourage Karen to brainstorways to refuse a cigarette in different situations that might come up, thinking skill are the parents helping Karen build -handling a hypothetical situation.
What is Active peer pressure?Active peer pressure occurs when your friends explicitly persuade you to do something. Examples are offering and forcing you to drink then criticizing for refusing it. Forcing you to attend a party even your parents do not agree.
On the other hand, passive peer pressure happens within a person's want to fit in to his/her colleagues. It is further classified into social modeling and perception.
Thus, option "A" is correct.
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examples of respiratory diseases
Respiratory Diseases include:
•asthma
•chronic obstructive pulmonary disease (COPD)
•pulmonary fibrosis
•pneumonia
•lung cancer
•Emphysema
•Pleural Effusion.
Ca(OH)2 is added to a large beaker of water. How is the solution different from the original water? The solution turns blue litmus to red. The solution turns phenolphthalein pink. The solution has more hydrogen ions. The solution has fewer hydroxide ions.
When Ca(OH)₂ is added to a beaker of water the solution would turn phenolphthalein pink. thus option B is correct.
What is phenolpthalein?
Phenolphthalein is a common indicator and is only pink when in basic solutions.
By adding calcium hydroxide, you are turning the solution into a basic solution since the concentration of OH⁻ ions is going up and therefore any phenolphthalein in solution would turn pink.
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Answer:
b
Explanation:
Identify the parts used in an electric circuit.
Answer:
Every circuit is comprised of three major components:
a conductive "path," such as wire, or printed etches on a circuit board;
a "source" of electrical power, such as a battery or household wall outlet, and,
a "load" that needs electrical power to operate, such as a lamp.
Explanation:
Which of the following describe Angiosperms? (select all that apply)
O prokaryotic
O produces seeds
O eukaryotic
O specialized issues with unique functions
O produce spores
O flowering plants
O vascular
O non-vascular
Answer:
O flowering plants
O Specialize tissue
O vascular plants
Chemical reactions can create more complex products. What evidence best explains this phenomenon? WILL MARK BRAINLIEST FOR CORRECT ANSWER (100 points)
Water molecules combine to form complex macromolecules that the body needs.
The molecular structure of complex macromolecules show that a chemical reaction has occurred.
Larger macromolecules breakdown into smaller macromolecules and combine during the reaction.
The basic need for oxygen makes the element essential to create macromolecules.
Answer:
Option C
Explanation:
Larger macromolecules break down like water and create covalent macro molecules.
Later while chemical reactions they combine again to form covalent molecules .
Option C is correct
Symbiosis is a type of close and long-term biological interaction between two different
species.
Answer:
symbiosis is a type of close and long term biological interaction between two different spraysis it is true and its example was (lichen)which is combination of two different states one is fungi and another is algae
PLEAS HELP 50 POINTS
Which of these is a function of the placenta?
A. To store the embryo's wastes
B. To hold the fetus upside down for birth
C.To digest food for the fetus
D. To bring oxygen to the embryo's cells
Energy Pyramids represent the food chain energy and population sizes. Which statement is NOT true.
A. 90% of available energy is lost between each trophic level
B. Populations are smaller as you go up the pyramid
C. Heat is only lost at the consumer levels
D. Decomposers play a role at all trophic levels
Which of these agencies classifies hazardous materials into 9 primary classes?
A: Department of Transportation (DOT)
B: Endangered species Association (ESA)
C: National park service (NPS)
D: U.S. forest service
Answer:
A: Department of Transportation (DOT)
Explanation:
Seems like DOT does it.
https://www.fmcsa.dot.gov/regulations/enforcement/nine-classes-hazardous-materials-yellow-visor-card
https://www.faa.gov/hazmat/what_is_hazmat
Answer:
D.It is theDepartment of Transportation(DOT)
How do hypertonic, hypotonic, and isotonic solution affect the size of cells? Explain Osmosis and Diffusion.
When a cell is submerged in a hypertonic solution, water escapes and the cell shrinks. There is no net water flow in an isotonic environment, hence the cell size does not vary. Water will enter a cell when it is placed in a hypotonic environment, causing it to swell.
What are hypertonic solutions?A hypertonic solution is one where there is greater concentration of solute outside the cell than inside the cell. Since water follows the most solute, it leaves the cell. This causes animal and plant cell membranes to shrivel up. The plant cell walls remain intact but animal cells will suffer more.
What are hypotonic solutions?Hypotonic solutions is when water molecules move from a high water potential to a low one because of diffusion.
What are isotonic solutions?Isotonic solutions are those solutions that have the same osmotic pressure at a given temperature.
What are cells?A cell is the smallest basic unit of all living organisms. Cells provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized food function. Cells also contain the body's hereditary material (DNA) and can makes copies of themselves.
Part 2:Osmosis and DiffusionOsmosis is the movement of water across the cell membrane, where the water goes from a higher concentration to a lower concentration. It plays an important role in activation, growth, and differentiation of T and B lymphocytes, macrophages, NK cells and other non-hematopoietic cell types.
Cellular diffusion is the process that causes molecules to move in and out of a cell. Diffusion is important as it allows cells to get oxygen and nutrients for survival. In addition it plays a role in cell signaling which mediates organism life processes.
what type of muscle tissue is found only in the heart?
Answer:
The cardiac muscle is only found in the heart.
____________ is a tool that helps us create cost-effective ways to protect our health and the environment
According to the research, risk assessment is a tool that helps us create cost-effective ways to protect our health and the environment.
What is risk assessment?It is the process aimed at estimating the magnitude of the risks that could not be avoided, that is, it seeks to identify and eliminate risks present in the environment.
It allows you to adopt measures and make decisions focused on meeting the objectives established in terms of health and the environment.
Therefore, we can conclude that according to the research, risk assessment is a tool that helps us create cost-effective ways to protect our health and the environment.
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how one’s sense of maleness or femaleness develops
Answer:
It is through Gender socialization
Explanation:
Hope this helps!
2. Claim, Evidence, Reasoning Generalize which communities were most positively affected and which were most negatively affected by the addition of soil invertebrates.
Agricultural communities are positively affected with the addition of soil invertebrates due to enhance of the soil structure.
How do invertebrates affect soil?Soil invertebrates has a good affect on the decomposition rates, soil aeration, nutrient mineralization. It betters the soil so the plants can grow more easily with high productivity.
So we can conclude that agricultural communities are positively affected with the addition of soil invertebrates due to enhance of the soil structure.
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Which of the following is true about the efficiency of energy transfer in an ecosystem?
a. The more energy the organism requires, the more efficient the energy transfer.
b. All energy transfers have the same efficiencies.
C. The less energy the organism requires, the more efficient the energy transfer.
d. The most efficient energy transfers are in large, warm-blooded animals.
Please select the best answer from the choices provided
O A
OB
OC
OD
Answer:
Option C.............
ACTIVITY 2: BIKINI BOTTOM GENETICS INSTRUCTIONS: PART A: Smiley Face Traits (1) Get two coins and mark one coin with a "F" and the other with a "M" to represent each of the parents. The parents are heterozygous for all the Smiley Face traits. (2) Flip the coins for parent for each trait. If the coin lands with heads up, it represents a dominant allele. A coin that lands tails up indicate a recessive allele. Record the result for each person by circling the correct letter. Use the results and the Smiley Face Traits page to determine the genotype and phenotype for each trait.
Answer:
Mark one coin with an "F" and the other with an "M" to represent each of the parents. The parents are heterozygous for all the Smiley Face traits.
Explain how you can use highlighting pens to increase your understanding of a text. Write your
answer in complete sentences.
The use of highlighting pens can increase your understanding of a text by: Helping you stay focused, as well as helping you to keep track of the most important part of a text.
Meaning and use of a Highlighting penA highlighting pen as the name implies is a pen with a unique feature used for marking a particular word, group of words and sentences to stand out in a page.
The highlighting pen is used for so many things in schools, churches, and organization these include: Marking a page, noting a key word, marking a word is yet to be understood etc.
In conclusion, The use of highlighting pens can increase your understanding of a text by: Helping you stay focused, as well as helping you to keep track of the most important part of a text.
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Which of the following is true about DNA transcription and protein translation?
Which statement describes how the image represents the concept of a common?
Nutrient pollution can cause algae to grow.
Wildlife is negatively affected by algal blooms.
Runoff from many farms can cause water pollution.
Regulations can prevent the pollution shown in the picture.
Answer:c
Explanation:
Water pollution is the introduction of pollutants either naturally or due to human activities. Runoff from many farms can result in water pollution.
What are the causes of water pollution?Water pollution is the contamination of water sources with some pollutants which make the water unusable for the purposes like drinking, cooking, cleaning, swimming, and other activities.
These substances can be chemicals, bacteria, parasites, etc. All sorts of pollution make go to the water directly or indirectly.
One of the prevalent sources of water pollution is runoff from many farms.
Thus, the correct option is C.
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Do peas and pea pods always appear the same on the same plant?
Answer:
Not really, because one pea pod might hold five peas, which another one on the same plant might be holding seven.
