Explanation:
Magnesium Chloride : MgCl2
Sodium chloride : NaCl
Potassium nitrate : KNO3
Hydrogen oxide : H2O2.
hope this helps you.
a paleoanthropologist specializes in the study of the
Explanation:
study of human evolution through the fossil and archaeological records
members of phylum rotifera are single-celled organisms.
Answer:
False
Explanation:
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Is this correct? Anyone help
how to find percentage change in mass
and how to find change in mass if you're only given the mass before and mass after?
Answer:
Mass Difference= Final Mass- Initial Mass
To find the “Percent Change in Mass,” divide the “Mass Difference” by the “Initial Mass.”
Explanation:
plants use the ____________ to make organic molecules.
why do you think it is important to understand chemistry and chemical cycles? Write at least 5 sentences.
Explanation:
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Chemical cycling plays a large role in sustaining planetary atmospheres, liquids and biological processes and can greatly influence weather and climate. Some chemical cycles release renewable energy, others may give rise to complex chemical reactions, organic compounds and prebiotic chemistry.
Chemical reactions help us understand the properties of matter. By studying the way a sample interacts with other matter, we can learn its chemical properties. These properties can be used to identify an unknown specimen or to predict how different types of matter might react with each other
Answer:
Chemistry is essential for:
1. meeting
2. our basic needs of food,
3. clothing,
4. shelter,
5. health,
6. energy,
7. clean air,
8. water,
9. soil.
Knowing something about chemistry is worthwhile because it provides an excellent basis for understanding the physical universe we live in. For better or for worse, everything is chemical!
Explanation:
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Q.1. Which of the following statements is false?
a) The particles in a solid are packed tightly together and can only vibrate in place.
b) Liquid particles are moving more slowly than gas particles.
c) Particles in the gas are much farther apart than particles in liquid or solid.
d) The particles in a solid have more energy than the particles in a liquid.
During one year, the birthrate in a country is 28 births per 1000 people, and the death rate is six deaths per 1000 people. What is the population growth rate?
Answer: 22
Explanation: 28/1000-6/1000=22/1000
Birth rate is the births per 1000 people which is subtracted by the death rate which is the deaths per 1000 people, this phenomenon is known as Population growth rate. So, 22/1000 is the population growth rate for this.
What is Birth Rate?Birth rate is the total number of people born per year per 1000 in the population. Birth rate is also known as Natality.
For example, if 65 births occur per year per 1000 individuals, the birth rate is 65. If it is expressed in the percentage, it is 6.5 per 100 or 65%.
Population is divided into many parts like Juveniles (Period before puberty), adults and Post reproductive adults. Birth rate is higher than the death rate as the population is younger, the faster that population grows.
When the birth rate is expressed as per the age group, this is called the standardized birth rate. Birth Rate is determined by the ratio between the number of live births in a population during a year and total mid-year population for the same year multiplied by 1000.
Thus, birth rate is the births per 1000 people which is subtracted by the death rate which is the deaths per 1000 people, this phenomenon is known as Population growth rate. So, 22/1000 is the population growth rate for this.
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The geosphere gives the planet the mass it needs to keep the atmosphere from escaping into space
it’s a true or false question.
when inactive, the alpha subunit of the g-protein is bound to:
Answer:
the beta-gamma subunit to form an inactive trimeric protein.
Explanation:
When inactive, the alpha subunit of the G-protein is bound to a GDP molecule.
The guanine nucleotide-binding proteins (commonly called G proteins or GTPases) represent an evolutionarily conserved protein family that serves to switch on/off different signaling pathways within the cell.G-proteins are composed of three different subunits: Gα, Gβ, and Gγ subunits.When GDP is bound to Gα, this subunit remains bound to the Gβ subunit in order to form an inactive heterotrimeric protein.When GTP is bound to the G-protein, then Gα dissociates from the other subunits and triggers the activation of the G-protein.In conclusion, when inactive, the alpha subunit of the G-protein is bound to a GDP molecule.
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Paired funnel shaped organs used for excretion in annelids
Answer:
Nephrdia(metanephridium)
Why are bacteria called the borderline between plants and animals
Answer:
it's because they have the both characteristics of plants and animals
example:-
bacteria have cell wall that is a characteristic of the plants.but at the same case they also produce some nucleic acids that are only found in animals.so, they are the borderline between plants and animals.
Explanation:
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how does cardiac muscle differ from skeletal muscle
Answer:
Cardiac muscle differs from skeletal muscle in that it exhibits rhythmic contractions and is not under voluntary control.
Why isnt there a solar eclipse during every new moon?
Answer:
Eclipses do not happen at every new moon, of course. This is because the moon's orbit is tilted just over 5 degrees relative to Earth's orbit around the sun. For this reason, the moon's shadow usually passes either above or below Earth, so a solar eclipse doesn't occur.
Explanation:
Make this in own words if it's for a test or smth
Explanation:
Solar eclipse don't happen every new moon, because the moon's orbit tilted over degrees relative to the earth's orbit around the sun. The moon's shadow usually passes either above or below earth, so therefore that is the reason a solar eclipse does not occur every new moon
The table below shows some of the ingredients in the four different drinks. Which of these drinks would give an athlete the most energy we litre
Answer: 2
Explanation: the numbers add up to make the highest number
all female mammals have one active x chromosome per cell instead of two. what causes this?
Answer:
maybe its because of pregnancy
Explanation:
what is the function of carbohydrates for the body
Answer:
to provide energy to the body
Explanation:
during which checkpoint would damaged or improperly replicated dna halt progression through the cell cycle?
Answer:
G2/Growth 2 phase
Answer:
When a cell's DNA is damaged, a sensor protein activates p53, which halts the cell cycle at the G 1start subscript, 1, end subscript checkpoint by triggering production of a cell-cycle inhibitor. This pause buys time for DNA repair, which also depends on p53, whose second job is to activate DNA repair enzymes.
20 points help A number of similar families make up a(n) _____.
A order
B class
C genus
D specie
Answer:
Genus Species
Explanation:
model of a cell cycle
The cell cycle, or cell-division cycle, is the series of events that take place in a cell that cause it to divide into two daughter cells.
this is your answer
About_____________ percent of the solar energy reaching the outer atmosphere is reflected or scattered back into space.
ANSWER ASAP
a.10
b.30
c.50
d.90
Answer:
What is b.30
Explanation:
About 29 percent of the solar energy that arrives at the top of the atmosphere is reflected back to space by clouds, atmospheric particles, or bright ground surfaces like sea ice and snow. This energy plays no role in Earth's climate system.
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why do tropical rainforest ecosystems have the highest productivity
check all that apply
1.A lot of light
2. A lot of water
3. A lot of photosynthetic organism
4. A lot of organism that carry out cellular respiration
Answer:
i think its all of them
Explanation:
which statement is true about cell differentiation?
Answer:
It causes cells to change and specialize.
Explanation:
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the connective tissue covering around a fascicle is the
Answer:
a layer of connective tissue called the perimysium.
Explanation:
How do cells make energy?
Through photosynthesis.
Through the breakdown of macromolecules.
Through exercise.
Through the production of methane.
Answer:
through the break down of macromolecules
4. What muscle joins with the short head of the biceps brachi?
Answer:
attaches to the coracoid process of the scapula
prokaryotic cells are smaller than eukaryotic cells. what is a plausible explanation?
Answer:
prokaryotic cells are smaller than eukaryotic cells because they have fewer organelles.
Explanation:
prokaryotic cells do not contain a nucleus, vacuoles, endoplasmic reticulum, mitochondria, Golgi apparatus, lysosomes, or peroxisomes, thus making them smaller than eukaryotic cells.
POSSIBLE POINTS: 3
are made from smaller building blocks known as nucleotides. Their main function is
Two examples include
Answer:
Proteins are composed of amino Acids
Answer:
Nucleic acids are made from smaller building blocks known as nucleotides.
The main function of nucleotides: is to form polynucleotides, which are strands of genetic information that can wrap around each other to form a DNA double helix.
Explanation:
8. What muscle is immediately medial to the brachioradialis?
just answer the questions and pull sentences 4-5
:(
Answer:
top carnivore is alligator sorry o dont really know much about the others hope this helps a little bit
