Answer:
The correct answer would be the active transport across the cell membrane.
The main functions of the cell membrane are a barrier, regulates transport (passive, facilitated, and active), the presence of receptors et cetera.
Only active transport (such as sodium pump, calcium pumps et cetera) requires the input of energy (ATP) for proper functioning. It uses energy to pump substances against the concentration gradient.
Thus, only active transport would be affected if less cellular energy is available.
Answer:
Photosynthetic organisms were making oxygen, but it reacted with the iron dissolved in seawater to form iron oxide minerals on the ocean floor, creating banded iron formations. ... The oxygen that is now in the Earth's atmosphere was not there at the beginning.
Explanation:
Answer:
D)
Explanation:
The idea of uniformitarianism is important to understand the changes or history of earth and it states that earth undergoes uniform changes in the past and present.
The idea of uniformitarianism also concludes many things about objects beyond earth which states that the laws and processes remain the same everywhere in the universe and have in the past. Uniformitarianism says that rate of the process remains uniform through time.
Hence, the correct option is "D)"
Answer: repetition, completing more trials for each solution
Explanation:
