Answer:At heart, all life on Earth uses a membrane that separates the organism from its environment. ... In this regard, water is essential simply because it's a liquid at Earth-like temperatures. Because it flows, water provides an efficient way to transfer substances from a cell to the cell's environment.
Explanation:
<span>Molecular scientists can read the DNA code and compare the DNA of different organisms. This concept is ude in molecular clocks to determine the Moleular Phylogenies. It is letter B. Hereditary molecular differences are being analyzed in phylogeny which is mainly from the DNA sequence in order to acquire information on the evolutionary relationships of an organism.</span>
The answer is A. <span>Light from the Sun reflects off the Moon as it orbits Earth. Hundreds of thousands of miles lie between the Moon and Earth.</span>
