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Serhud [2]
3 years ago
15

I NEED HELP ASAP!!!!!!

Biology
1 answer:
Salsk061 [2.6K]3 years ago
3 0

Answer:

42 kg.m/s if the two are moving in the same direction

Explanation:

momentum formula: p=mv

22kg.m/s+20kg.m/s= p

42kg.m/s=p

the momentum of both objects=42 kg.m/s

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Explain why it makes sense that the levels of estrogen and progesterone are low in blood of a female during menstruation
Art [367]

Answer:

At the beginning of the follicular phase, the lining of the uterus (endometrium) is thick with fluids and nutrients designed to nourish an embryo. If no egg has been fertilized, estrogen and progesterone levels are low. As a result, the top layers of the endometrium are shed, and menstrual bleeding occurs.

5 0
1 year ago
Discuss how heat stroke, acquired during extreme physical exercise, disrupts the feedback loop and the impact this disruption ha
Vera_Pavlovna [14]

Answer:

Heat stroke is acquired during extreme physical exercise when the environment is hot, strenuous activity, excess clothing and tight clothing, drinking alcohol and smoking during a hot season or environment,when you are dydrated and not drinking water. Some medication and age also add to having heat stroke.

It causes disrupts in the feedback loop because it doesn't form a circular chain. It can be both positive and negative chain. Feed back loop is known to be either negative or positive channel or pathway formed by an effects.

The impact and disruption it has on human physiology

1.it causes brain damage

2.it leads to death

3.it also causes vital organ damage

Explanation:when the environment is hot, it makes you heat up fast when exercising and increase your temperature because the atmospheric temperature is high,and when exercising in this condition without air conditioner to cool your surroundings it leads to heat stroke.

When wearing heaving clothing and tight clothing during physical exercise it makes you to not lose moisture and makes air not easily passed to you, this causes your body to heat up fast and thereby causing heat stroke.

When dydrated and not drinking water causes you to overwork you body and not cool it down, it leads to heat stroke.

Heat stroke causes brain damage, leads to death when not taken immediately or rush to the health center or hospital.

4 0
3 years ago
Two heterozygous loonas are crossed. What proportion of the offspring will have black hair?
maw [93]

Answer:

25%

Explanation:

(I'm guessing "loonas" does not mean black)

as you can see in the picture 25% is ll or black

4 0
3 years ago
the lungs and respiratory system work closely with the __ system to make sure oxygen reaches all the cells of our body
Alex17521 [72]

Answer:

circulatory system

Explanation:

4 0
2 years ago
(Does heating water allow it to dissolve more sugar)? What is the Dependent Variable, What is the Independent Variable?​
tino4ka555 [31]

Answer:

yes

independent - temperature

dependent - amount of sugar dissolved

Explanation:

When water molecules are heated they move faster and collide more with the sugar molecules. These collisions transfer energy to the sugar molecules. Energy is needed to break bonds. The bonds holding the sugar molecules together or more likely to be broken.

The amount of sugar dissolved is dependent on the temperature of water.

7 0
3 years ago
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