What does Na + represent? select all that apply.

A natural resource that is mined for profit is called A. aggregate. B. sand. C. ore. D. topsoil.

What happens to the temperature of a substance while it changes state

Compare renewable and nonrenewable energy sources and discuss the effects of each on biodiversity?

Which type of animal has a lateral line system to detect vibrations in water? amphibians fish whales birds

Russ went for a run, and Nelly took a nap. They then watched a horror movie together. Usually, Russ and Nelly are about equally scared when they watch horror movies. In this situation, Schachter's two-factor theory of emotion predicts that

The modern classification system is based on A - putting organisms into categories based on where they live. B - putting organisms into categories based on how they reproduce. C - putting organisms into categories based on similar characteristics.

Classify the mutations as somatic or inherited A. Mutations in the KRAS gene in lung cells promote continuous cell growth B. Mutations of the BRAC1 gene in egg cells lead to breast cancer C.

The female determines the sex of mammals. True False

The definition of a hero is a. universally understood. b. determined by personal and cultural factors. c. clearly defined by a set of established traits. d. static and impartial.

Hydrogen ion concentration in vinegar