Pick two ways do salts enter the ocean.

1. ice bergs melting

2. weathering and erosion

3. black smokers

4. oxygen dissolved from the atmosphere

Which of the following best describes diffusion? * A) movement of water molecules across a selectively permeable membrane B) Movement of molecules from an area of higher concentration to lower concentration C) Movement of materials across a cell

If an organism has a genotype of DdGg, which could be one of the gametes produced? G D Gg Dg Dd

Only vascular plants have true roots, stems, and leaves. A. True B. False

Electric current is produced when move (s) through a.

What is erythroblastic anemia?

How have humans caused damage and change to each of the earths spheres

Which statement describes an innate behavioral adaptation of an animal? Question options: wolves hunting for food one fish responding aggressively to another with a red belly dogs responding to "roll over" a pet parrot talking

The cellular process that eventually leads to increased genetic diversity is

Sound travels faster through what state of matter? liquid solid gas

A landscape region that has broad, u shaped valleys with polished and grooved bedrock was most likely formed by