What is true of sand dunes?

A) They are built by waves.

B) They are made by rivers cutting through land.

C) They are built by water carrying sediment away.

D) They are built by the deposition of sand by wind.

How would you explain the relationship between insulin and glucose

Why do shallow-focus earthquakes cause the greatest damage?

Which statement describes continental crust? select the three correct answers. A. its made mostly of volcanic rock B. it is formed in all parts of the continents c. it is less than 10 km thick d.

Which of the following is not a typical pattern found in the earth's system

Hemoglobin is synthesized by what organelle

Which statement about crustaceans is true? * (A) all have the same number of appendages (B) all have an internal skeleton (C) all have an exoskeleton (D) only some have jointed appendages

5. The measurement of the amount of friction a surface will generate is called the of friction'.

How much of earth's air is made of Nitrogen?

If a normal cell divides, you can assume that a. its surface area has become larger than its volume. b. its volume has become larger than its surface area. c. it has grown to its full size. d. it has grown too large to meet its needs.

What type of isolation occurs when species mate at different times of the year?