Answer:
different forms of genes for a single trait
Explanation:
There are three main forms of genes that can exist for a single trait and they are:
Dominant alleleRecessive alleleCo-dominant allelesWhat are the different forms of genes for a single traitA dominant allele is a stronger version of a gene that shows up when at least one copy of it is present in an organism's genetic makeup. It hides the effects of the weaker gene. In a person with two different alleles, the one that is more powerful decides how the person looks or behaves.
Recessive allele: A recessive allele is only expressed when there are two of the same recessive alleles present. It is hidden by a strong gene. The recessive allele can only be seen when a person has two copies of it.
Co-dominant alleles: When co-dominant alleles are together, both are shown. In this situation, neither gene is stronger than the other, and both play a role in what an organism looks like. One example of co-dominance is the ABO blood type system. In this system, both the A and B alleles are of equal importance.
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The circumference of the earth is 25,000 mi at the equator. What is the
circumference in km?
Answer:
40233.6
hope this helps
plz mark brainleist
period 6, group 12 (2B)
Answer:
mercury or Hg
Explanation:
i looked at the periodic table haha
hope this helps and is right <3
Find the speed of the ATV that goes 60 miles in 2 hours._______________________ m/hr
Given parameters:
Distance of ATV = 60miles
Time = 2hrs
Unknown:
Speed = ?
Solution:
Speed is a scalar quantity. It has magnitude but no direction. Mathematically, speed is distance divided by time.
Speed = [tex]\frac{distance}{time}[/tex]
Input the parameters;
Speed = [tex]\frac{60}{2}[/tex] = 30miles/hr
The speed of the ATV is 30miles/hr
what is the diference between weather. and climate
Answer:Whereas weather refers to short-term changes in the atmosphere, climate describes what the weather is like over a long period of time in a specific area. Different regions can have different climates. ... Weather tells you what to wear each day. Climate tells you what types of clothes to have in your closet.
Explanation:well bc i am in 10th grade this kinda easy lol hoped i helped
Answer:
Explanation:
Weather is the current state of weather while, climate is the most common weather of that region over a time of 30 years.
What are The two types of wave interference
Answer:
transverse and longitudinal
Answer:
Its constructive and destructive
Explanation:
Explanation:
What is the mass of a dolphin swimming at 16 m/s with a momentum of 800 kg m/s?
Answer: 50 kg
Explanation: formula is
m= p/v
m=800 kg m/s : 16m/s
m= 50kg
idk tho hope this helps
Nakeem and his team were playing basketball in the gym, and all the basketballs were firm and bounced well. When the team went outside,
the same basketballs seemed a bit flat and would not bounce well. Which statement provides the best explanation for what happened to the
basketballs?
O A The temperature outside was colder than the temperature in the gym, so the pressure of the air in the balls increased.
B. The temperature outside was warmer than the temperature in the gym, so the pressure of the air in the balls increased.
OC. The temperature outside was colder than the temperature in the gym, so the pressure of the air in the balls decreased.
OD. The temperature outside was warmer than the temperature in the gym, so the pressure of the air in the balls decreased.
Answer:
c
Explanation: i took the test lol
The temperature outside was colder than the temperature in the gym, so the pressure of the air in the balls decreased. Hence option C is correct.
What is pressure?Pressure is defined as the force exerted perpendicularly to an object's surface measured in units of the force's distribution. In comparison to the surrounding pressure, gauge pressure is the pressure. The concept of pressure is crucial to fluid mechanics and is used to characterize a gas's energy in the ideal gas law, among many other physical uses.
The pressure law states that for a constant volume of gas in a sealed container, the temperature of a gas is directly proportional to its pressure. This is easily understood by picturing how the gas particles in the container move more energetically as the temperature rises.
Thus, the temperature outside was colder than the temperature in the gym, so the pressure of the air in the balls decreased. Hence option C is correct.
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Fe(s) + O2(g) Fe3O2 (s)
Answer:
Fe2O3
Explanation:
if we have to answer whether it is wrong or correct then it is wrong because the correct answer would be Fe (s) + O2 (g) = Fe2O3 (s) because the valences will be exchanged
some help would be very much appreciated !!
Answer:
a = 6 m/s².
Explanation:
If we have the object with mass of 75 kg and force on it is 50 N then according to given statement its acceleration is 3m/s².
When we double the force on same object by keeping the mass constant then the acceleration will also double. It means force will be 100 N and acceleration will be 6 m/s².
But if we we increase the mass then acceleration goes to decrease.
So,
mass = 75 kg
F = 50 N
a = 3m/s² then by double the amount of force,
mass = 75 g
F = 100 n
a = 6 m/s².
This is actually explain the newton second law. This law stated that the acceleration of object is depend upon its mass and force acting on it.
F= m. a
a = F/m
Thus acceleration is directly proportional to the force and inversely proportional to the mass.
What happens immediatesly after you dissolve acid in water? Positively charged hydrogen atoms are released. Positively charged hydrogen atoms are released. Negatively charged hydrogen atoms are released. Negatively charged hydrogen atoms are released. Hydronium ions are released. Hydronium ions are released. Neutrally charged hydrogen atoms are released. Neutrally charged hydrogen atoms are released.
Answer:
The correct answer is A.
Explanation:
The acids with hydrogen atoms in them are the ones that dissolve best in water and when they do, they get diluted, raising their pH level by releasing hydrogen ions (H+) into the solutions.
So when acids get dissolved in water, positively charged hydrogen atoms are released.
The answer is A.
I hope this helps.
How would you calculate the gravitational potential energy of a 2 kg bottle of soda falling off of a kitchen table that is 0.76 m tall ?
Answer:
14.9 Joules .
Explanation:
P. E. = m g h
= 2 * 9.8 * 0.76
= 14.9 Joules to the nearest tenth.
Answer:
2*0.76*97
Explanation:
How many elements are present in the compound?
Mg2As3COHNi2
Answer: 6
Explanation: none needed lol
Why do more gas bubbles mean the gold is less pure
Answer:
Most likely it decreases the quality of the gold.
Explanation:
Im literally failing some classes can some one help me with them
Answer:in can
Explanation:
Answer:
What are your subjects you need help with?
Count the atoms of each element.
5(NH) P
5
10
15
20
30
40
50
60
70
Nitrogen
o
o
O
O
O
O
o
Hydrogen
O
O
O
O
Phosphorus
O
O
O
O
O
Answer:
Nitrogen = 15
Hydrogen = 60
Phosphorus = 5
Answer: uh
Explanation:
The process shown in the image above is known as
A. neutron absorption.
B. nuclear fusion.
C. a chain reaction.
D. a redox reaction.
Answer:
C. Chain Reaction
Explanation:
You get different elements from just one by a single reaction.
Could someone please tell show me steps to solve this, I am so confused.
9.80 grams of magnesium metal react with excess hydrochloric acid, and 29.8 grams of magnesium chloride are produced
by the reaction. What is the percent yield of this reaction?
Mg + HCI –> MgCl2 + H2
And this is y I should of paid attention in that one science class in middle school that taught this...
(￣▽￣;)
When a trumpet was played, a nearby sheet of paper began to move.
What caused the paper to move? *
Answer:
Air from the trumpet moved it
Explanation:
The atmospheric pressure on a mountain is 550 mmHg and 1 atm is equal to 760mmHg. What is the pressure in atm? Give your answer to 2 significant figures atm
Jack, an Investigator, wants to prove that a certain suspect was present at the crime scene when the crime was committed. What kind of
evidence should he look for?
Jack should look for __________ evidence because the analysis of such evidence can prove whether the person was present when the crime
was being committed. This evidence refers to tiny fragments of material that can be transferred from a human to a human or human to a
location
(forensic science question)
Answer: TRACE evidence
Explanation: Any evidence that can be transferred from one person to another or one person to a place is trace evidence. Also I took the test.
which object would require the most amount of energy, or force, to set it to motion?
a. school bus
b. refrigerator
c. microwave
d. houseplant
1. How many protons?
2. What is the atomic number?
3. What element is this?
4. How many neutrons?
5. What is the mass number?
6. What is the isotope?
Answer:
1) 5 protons, 2) 5, 3) boron, 4) 6 Neutrons, 5) 10.811 ≈ 11, 6) Boron-9
PLEASE ANSWER ASAP!
For her school Science ft Alyssa designs an experiment to learn more about
erosion. Her experimental set up is shown below
Using the illustration shown above, determine which of the following statements best
describes the independent variable itest variable). this experiment:
A The speed she pours the water, since it is the same for all trials.
B The amount of water she pours, because the amount she pours is the same.
C The height of the tray, because this is a change that may cause and effect on the experiment.
D The mass of sand that collects at the bottom of the tray, because this is what is being measured or observed.
Answer:A
Explanation:
To do the experiment
The experimental setup is the part of the scientific method that is done to prove the hypothesis. The test variable of the experiment is the height of the tray as it may cause an effect. Thus, option C is correct.
What is the independent variable?The independent variable has been the test variable that does not depends on other variables and is manipulated by the researcher. It has no fixed value and parameter and is subject to alteration so as to cause an effect on the other variable.
The height of the tray is the independent variable and the mass of the sand is the dependent variable. The height affects the mass of the sand eroded at the bottom. The speed and amount of water have been the controlled variable.
Therefore, option C. the height of the tray with the sand is the independent variable.
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Sara slides down a playground slide. How will friction affect her as she slides?
Answer:
Friction is a force that occurs whenever two objects rub against each other, such as a slide and a person's backside. Without friction, a slide would accelerate the rider too quickly, resulting in possible injury. Certain materials called lubricants can reduce the effects of friction. This is why water park slides are much faster than playground slides; the water acts as a lubricant. Sitting on wax paper can also reduce the amount of friction.
Explanation:
Elements in the same _____ on the periodic table have the same number of valence electrons.
1.04 x 10^-3 pm to mm
Answer:
1 pm = 10^-12 m = 10^-10 cm = 10^-9 mm
1.04 x 10^-3 pm = 1.04 x 10^-3 x 10^-9
= 1.04 x 10^-12 mm.
Hope it helps...
You would like to find the density of an unusually shaped piece of jewelry. Since the piece of jewelry has an irregular shape, you need to use displacement to calculate the volume. In a 300 ml beaker you pour 200 ml. Of water. When you place the piece of jewelry in the beaker, the water level rises to 278 ml. Upon placing the object on the triple beam balance, you find that it weighs 122 grams. Given this information, calculate the density. SHOW YOUR WORK
Volume displaced by jewelry, V = 278 - 200 = 78 ml
Also, 1 ml = 1 cm³
We know, by water displacement method the volume of water displaced by an object it equals to its own volume.
So, volume of jewelry, V = 78 ml = 78 cm³.
Also, weight of jewelry is , w = 122 gm.
Now, we know density is given by :
[tex]d=\dfrac{w}{V}\\\\d=\dfrac{122\ gm}{78\ cm^3}\\\\d=1.56\ gm/ cm^3[/tex]
Hence, this is the required solution.
Water and salt are compounds made of the combination of more than one type of atom. Which statement is false?
A. Because they they are are compounds, compounds, they they cannot cannot be be pure pure substances.
B. Both compounds compounds are are considered considered pure pure substances.
C. These compounds compounds have have specific specific physical physical properties properties that that never never change.
D. These compounds compounds have have distinct distinct chemical chemical properties.
Compounds are made of the various elemental atoms joined together. Water and salt are compounds that can be present in their pure form. Thus, option A is false.
What are compounds and pure substances?A compound is a substance formed by the bond between the atoms of the elements that shares, transfers, donates, or gains electrons to join and interlink chemically.
The pure substance is characterized by the presence of only a single type atom of the element. They have invariability and can exist in various phases with constant composition.
Water and salt are compounds made of two or more atoms of different elements that have specific physical properties and distinct chemical properties.
Therefore, option A. the compounds cannot be pure substances is false.
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***20 pts***
If you had 3.02 grams of Sodium (Na), how many moles would that be?
ANSWER W STEPS IF NOT REPORTED
Answer:
0.131 mol
Explanation:
To convert grams to moles, you need to use the molar mass. The molar mass is the mass number. You can find this on the periodic table. The molar mass of sodium is 22.990 g/mol.
(3.02 g)/(22.990 g/mol) = 0.131 mol
KNO, + H.CO, – K. CO, + HNO
Answer:
Just Try ur best ok
Explanation:
