After the Big Bang happened, the universe is constantly expanding. The Universe has expanded for around 13.7 billion years. The further a galaxy is, the faster it would move away from Earth. This principle is called the conservation of momentum.
<span>contractile vacuole
Contractile vacuoles are organelles that are responsible for excretion function. They perform osmoregulation which manages wastes, water and other needed materials in the cell. They are found in some prokaryoric organisms like the algae, protists, amoeba and other unicellular organisms.
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Answer:
Carbohydrates are only function as a source of energy but also as an energy reserve.
Explanation:
The carbohydrates in glycolysis make up the energy currency that is ATP and in glycogenogenesis they make up glycogen, which is the energy reserve, that is why according to the state in which the metabolism or lifestyle of the person, carbohydrates can have different uses.