Which of the following is a physical change?

A.

a candle burning

B.

shredding a piece of paper

C.

photosynthesis

D.

a garden tool rusting

How do the chemical layers of the earth separate themselves

What minerail bubbles in CHI acid A: gold B: calcite C: potassium feldspar D: suffer

Because of global warming ocean surface temperatures are rising which of the following is another possible consequence

How would the atmosphere of the earth be different if the earth had formed from a much larger protoplanet?

Identify the true statement. Choose one: A. Plates shift the continents around as they move, so Earth's surface is constantly changing. B. The contacts between plates are called passive margins. C.

How can something as massive as the Pacific Plate move?

Describe the difference between surface water and groundwater. (Own words)

1. According to the lecture, we are currently in an ice age and have been for the last 2.8 million years. a. True b. False 2. According to the lecture, we are within an interglacial period today. a. True b. False 3.

Who is Nathaniel Greene

What is the difference between intensive farming and extensive farming?