Most autotrophs<span> make their "food" through photosynthesis using the energy of the sun.</span>Heterotrophs<span> cannot make their own food, so they must eat or absorb it.</span>
Chargaffs rules states that dna from any cell of all organisms should <span>have a 1:1 ratio (base Pair </span>Rule<span>) of pyrimidine and purine bases and, more specifically, that the amount of guanine is equal to cytosine and the amount of adenine is equal to thymine.</span>
The answer is B) <span>Nuclear power has far less environmental impact than using coal or natural gas to produce electricity.</span>
Answer: 20. have a nice day!
A magnifying glass (called a hand lens in laboratory contexts) is a convex lens thatis bigto produce a magnified image of an object. The lens is usually mounted in a frame with a handle