How does using coal as a source of energy affect impact on human health ?

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

Genes that come together with different alleles are heterozygous. homozygous. genotype. segregated.