What does the march equinox mark the first day of in the northern hemisphere

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

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

What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex