What is needed for a disease or viral outbreak to be considered a pandemic?

William compared two soil samples to check soil's ability to support the growth of plants. He had read that plants grow best in soil rich in humus. The experimental data is summarized in the table. What conclusion can be BEST drawn from the data?

When a moving warm air mass encounters a mountain range, the air mass? a. stops moving b. slows and sinks c. rises and cools d. reverses direction

How many elephants are there in the world?

Angiosperms are divided into two groups called monocots and dicots. The main difference between monocots and dicots is the number of

What is the difference between heat and temperature? a Temperature measure the motion of molecules, and heat is the energy of that motion. b Temperature is measured by a thermometer, and heat is measured by a barometer.

How does altering the environmental conditions affect the growth of radish seedlings?

What are some of the applications of the silk protein

A hormone that increases heart rate, blood pressure, and blood sugar levels in times of emergency is

What is the meaning of the word "thermal" in this sentence? all boys coming on the school camping trip need to bring a pair of long thermal underwear because it is going to be very cold this weekend.

If an animal had 44 chromosomes in its sex cells, how many chromosomes total will they have?