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Mrrafil [7]
3 years ago
15

When a ball rolls down a hill what conversion occurs

Biology
1 answer:
boyakko [2]3 years ago
7 0

Explanation:

when the ball rolls down a hill potential energy conversion takes place to kinetic energy. and when it starts rolling down the hill, then kinetic energy=1/2mv^2

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The prevailing westerlines blow to the west true or false
riadik2000 [5.3K]

Answer: true

Explanation:they blow west to east

Hope this helps

3 0
3 years ago
Thanks to the development of transgenic plants, much of the food we eat has been altered so that it tastes better, looks better,
gregori [183]

Answer:

i believe the answer would be genetics since you are altering the DNA of the plants

7 0
3 years ago
Animals get energy from the food that they eat. However, when the molecules from the food enter your cells, how do the molecules
Elena-2011 [213]

Answer:

Through the process of cellular respiration, the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP

Explanation:

5 0
3 years ago
Pregnancy, which is characteristically associated with changes in hormone levels in the body is a process tightly regulated by:
Blababa [14]

Answer:

Pregnancy, which is characteristically associated with changes in hormone levels in the body is a process tightly regulated by the hormon Human Chorionic Gonadotropin

Explanation:

The so-called pregnancy hormone is the Human Chorionic Gonadotropin (HCG). It only occurs during the gestation period and is responsible for regulating the entire process. Segregated by the placenta, it can be found in urine and blood.

The presence of the hormone in the urine allows to confirm the pregnancy with the test.   As in pregnancy, the placenta begins to form, the cells that make it up begin to stimulate the production of HCG, which causes the hormone levels to increase very rapidly in the first trimester of pregnancy

4 0
3 years ago
Read 2 more answers
Is the amplitude of each wave (P, ORS, T) always the same in different cardiac cycles?
Citrus2011 [14]

No the amplitude of each waves are different on different cardiac cycles.

<u>Explanation:</u>

  • The PQRST waves are used to represent the atrial and ventricular depolarization and repolarization.  These waves are reflected in ECG.  
  • In this as the series, p occupies the first place then QRS complex and at last T wave. In the QRS wave complex,  R wave is said to be the largest wave.  
  • The direction and amplitude of r wave depend on the electrical picture. The R wave represents the ventricles depolarization so it is the largest wave.
4 0
3 years ago
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