Which statement correctly describes a chemical reaction? reactants come out of a reaction. energy is always released. bonds between atoms break and new bonds form. products go into a reaction. cts when atoms are rearranged. d. products form reactants when atoms are rearranged.

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.

Read the article and use the information to answer the questions that follow discovering the structure of dna explain how the discoveries by rosalind franklin watson and crick build an accurate model of dna done