Ais the smallest particle of a substance that has all the properties of the substance.

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

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