Valleys form mainly from

A.

deposition of sediment by rivers or glaciers.

B.

weathering and erosion by the wind.

C.

weathering and erosion by rivers or glaciers.

D.

deposition of sediment by the wind.

Which of these is important to gathering and interpreting scientific information?

In a controlled experiment what is the experimental group compared to?

As your group adds to the graphic, your teacher tells you to add an example for each of the four boxes at the base.

Prokaryotic cells divide by the process of: A. mitosis B. binary fission C. meiosis D. fertilization

How does seafloor spreading related to supercontinents? A. It leads to new information of tectonic crusts under the water that either pushes continents together or pulls them apart B. It turns continental crust into oceanic crust C.

The differences between hashimotos' thyroiditis and grave's disease include b. only hashimoto's is a type ii hypersensitivity a. only grave's disease is an autoimmune disease c.

How could natural selection lead to evolution?

What algae is golden brown and one of the most common of all the unicellular organism in the ocean?

What is the name of the enzyme that adds new nucleotides to build mrna

If two people want to know the chances of their child have a certain genetic disorder, the parents must know their