Answer:
c
Explanation:
Hubble's brilliant observation was that the red shift of galaxies was directly proportional to the distance of the galaxy from earth. That meant that things farther away from Earth were moving away faster. In other words, the universe must be expanding.
Answer:
A and B
Explanation:
Only plants have cell membranes and chloroplast.
There are four major classes of biological macromolecules:
carbohydrates.
lipids.
proteins.
nucleic acids.
For the first question the answer is D
For the second question the answer is B
