Google said hydrogen so I'm guessing B. gases
Answer:
A. The Sun
Explanation:
The farther down the food web or food chain you go, the less energy is transferred from one organism to the next. This means that by one organism consuming the other, the one doing the consuming will receive less energy than the one that it had just consumed had from whatever it ate.
Because the sun is the basis on all energy, and producers get their energy from the sun, it carries the most amount of energy.
Answer:
The diffusion of water across the selectively permeable membrane of an alga is called osmosis
Explanation:
Banded iron formation, or also referred to as BIF, is unique sedimentary rock of biochemical origin. Unique because of their unique make up, unique age and unique origins. These rocks are very old.
BIF date to as old as 3 billion years old, but most are aged at around 2.5 billion and some are as "young" as 1.8 billion. So, the Earth's oldest banded iron formation is 3 billion years old.