Answer:
Liquids and gases show random movements because of potential and kinetic energy.
It happens when heat is applied to the particles and they gain more potential and kinetic energy and move around faster. With gases, they have the most energy.
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Ribosomes are responsible for making proteins.
Answer:
J. the growth of trees
Explanation:
The growth of trees would be greatly impaired if the energy from the sun were stopped.
Plants generally use the energy from the sun to obtain their nourishment. This same process makes food available in the ecosystem.
- Plants are producers of food.
- The process of photosynthesis allows plants to manufacture food by using sunlight to drive the reaction between carbon dioxide and water to produce glucose and oxygen gas.
- The glucose is used by plant for nourishment.
Answer:
see below
Explanation:
[H₃O⁺] = 10^-pH
a) Soln X with pH = 4.9 => [H₃O⁺] = 10⁻⁴°⁹ = 2.51 x 10⁻⁵M
b) Soln Y with pH = 7.4 => [H₃O⁺] = 10⁻⁷°⁴ = 3.98 x 10⁻⁸M