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Naya [18.7K]
3 years ago
7

Explain in your own words why a roller coaster has gravitational energy.

Biology
2 answers:
kow [346]3 years ago
6 0
It has gravitational pull by it going up, pulling forces. Then it makes it to the top and stays still for a moment. Then it stretches down as it gets pushed down.
kobusy [5.1K]3 years ago
5 0
Roller coasters<span> are able to move their passengers very rapidly up and down the hills because the cars </span>have<span> a large amount of potential </span>energy<span> on the very first hill.</span>Kinetic Energy<span> is mechanical </span>energy<span> that is due to motion of an object.</span>
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Cellular organelles which use chemical energy stored within the covalent bonds
valina [46]
Organelles that use chemical energy stored within the covalent bonds of
>> organelle molecules <<
5 0
4 years ago
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Name the main organ that damage in the developing embryo, if the mother consumes alcohol during pregnancy .
abruzzese [7]

Answer:

Placenta

Explanation:

Any amount of alcohol can harm a developing fetus and increase the risk of miscarriage. Alcohol easily passes through the placenta, the organ that nourishes a baby during pregnancy

4 0
3 years ago
What is apoptosis? A. The proliferation of cytotoxic T-cells. B. The receptor on a cytotoxic T-cell that recognizes MHC molecule
castortr0y [4]

Answer:

Option-C

Explanation:

Apoptosis is a genetically controlled process taking place in the multicellular organisms which is marked with the self-destruction called or programmed cell death.

During apoptosis various physiological and morphological changes take place in the cell such as fragmentation of nuclear DNA, nucleus, shrinkage of cell and mRNA decay.

Since apoptotic cell undergoes cell death which is genetically controlled or programmed by the genes, therefore, apoptosis is known as the programmed cell death.

Thus, Option-C is the correct answer.

8 0
4 years ago
Compared to its surroundings, the concentration of solutes is low inside a cell so, the cell is in a hypertonic, hypotonic or is
Kazeer [188]

Answer:

The cell is in a hypertonic solution.

Explanation:

The solution is hypertonic because the amount of solute(s) is higher outside of the cell than it is inside the cell, so the solvent (e.g. water) would move from the cell to the solution in order to obtain equilibrium between the two.

7 0
4 years ago
How many three fourths are in five halves?
marishachu [46]
To know how many \frac{3}{4} are in \frac{5}{2} we can simply divide \frac{5}{2} by \frac{3}{4}.
\frac{ \frac{5}{2} }{ \frac{3}{4} }=\frac{5*4}{2*3}=\frac{20}{6}=\frac{10}{3}
final result: 3,3333...
3 0
3 years ago
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