What does oxidation involve?

A. A loss of electrons

B. A gain of electrons

C. A loss of oxygen

D. A gain of hydrogen

Which is not a way that ancient people classified plants and animals? By using binomial nomenclature By taste By use As beneficial or poisonous

Which of the following describes a way that decomposers are important to an ecosystem? • Decomposers use sunlight to make food for an ecosystem. • Decomposers break down dead plant and animal matter in an ecosystem.

Which term describes a pure substance that is made up of only one type of atom? matter rock compound element

The power to arrest someone who refuses to undergo treatment for a communicable disease lies with:

What happens to a species when the environment changes and the organisms do not adapt?

When you look out the window, you can see constantly moving air. air is cycled in order to reach equilibrium. B) since these change the density of air and we know the air flows from the region of high density to the region of low density.

What effects do deforestation have on the animals?

Which best defines a diploid cell during meiosis? a cell that has double the number of chromosomes as the parent cell a cell that has half the number of chromosomes as the parent cell a cell that has double the number of chromosomes as the daughter

What is the best definitionof magnetosphere? a. a magnetosphere is a magnetic field around earth. b. a magnetosphere is the groups of atoms that are lined up inside a magnet. c.

True or false: tertiary sources can draw from, or summarize, a secondary source.