The diagram shows the life cycle of a fern. HELP ASAP What does stage 2 show?
A) A mature spore-producing fern plant has fonds and produces spores.
B) A spore grows into a mature gamete-producing plant.
C) A zygote forms when a sperm fertilizes an egg cell
D) A gamete-producing fern plant is flat and shaped like a heart.

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Explanation:

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.