Mountains are usually formed by:

movement of the earth's crust

weathering away of land

placement of eroded land

volcanic explosions

The Linnaeus system of classification will

Which of the following describes the properties of ferns

The movement of a magnetic pole away from the actual pole

On what does the rate at which heating occurs depend?

Why is grass green? justify your answer

How are mitosis and meiosis similar? a. they both have prophase and metaphase. b. they both produce gametes. c. they both produce tetrads. d. they both reduce the chromosome number?

Blank is between the times when a cell is dividing

Magnetometers revealed that the basalt rocks along the mid-ocean ridges are aligned in alternating, symmetrical patters.

A scientist wants to find the percent of teens that like the taste of "brand X"lemonade over "brand Y" lemonade. She conducts a taste test of 500 teenagers. She gives each teen a bottle of lemonade with the labels showing the brand of each lemonade.

Ow many molecules of water are released during the polymerization of a 20 monomer-long cellulose molecule?