In a controlled experiment in scientific study how long it takes parachute of different sizes to fall to the ground what is the independent variable?

Eukarya, which includes 3 things?

Which of the following would NOT contribute to the level of organization seen within a protein? 1. Temp 2. pH 3. Amino Acid sequence 4. Duration of protein 5. all of the answer choices are correct

How much of the earths land surface is used for agriculture?

Igneous rocks and metamorphic rocks derived from igneous "parents" make up what percentage of the Earth's crust?

How does low body temperature affect the bloods ability to carry dissolved oxygen?

A moss-covered log is overturned by a hungry bear looking for insects to eat. The bear disturbs an ant colony, and some chipmunks leave the hollow log to search for another home in the forest.

1. What is the word for a type of communication that goes from cell to cell 2. What is the word that means "within the cell," such as referring to signals moving from one place to another within the cell? 3.

How is the earth like a closed system? A. Matter but not energy moves through the system B. Matter does not move in and out of the system but energy does C. Matter and energy does not move through a system D.

You might infer from packages of commercial fertilizer that which nutrients are most limiting to plant growth? a. hydrogen, phosphorus, and magnesium b. carbon, nitrogen, and phosphorous c. phosphorus, potassium, and calcium d.

What is the regular progression of species replacement known as