Oxygen and hydrogen make up water
He inferred that similar changes had happened in the past. Uniformitarianism combines the idea of gradual change over time with Lyell's observations that such changes have occurred at a constant rate and are ongoing.
Answer:
Sexual reproduction results in genetic variation and asexual reproduction does not.
Explanation:
The key difference between sexual and asexual reproduction is that sexual reproduction occurs between two parents while asexual reproduction occurs via a single parent. Asexual reproduction requires only a single divisible cell to produce a new organism, whereas sexual reproduction requires two gametes, their formation and fusion.
B. sodium and chloride because an ionic bond only form between oppositely charged particles.