I looked it up, and chromosome sounds about right.
Answer: A. It is liquid and weighs two pounds.
Explanation:
A provides the most details and includes a quantitative measurement however an actual cup of gasoline does not weigh 2 pounds.
Evolution is a scientific theory as its ideas are supported by facts and inference
Answer:
a gated sodium channels open and sodium ions flood into the cell
Answer:
The levels, from smallest to largest, are: molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.
Explanation: