A barometer is used to measure

a.

wind speed

c.

air pressure

b.

wind direction

d.

precipitation location

Which type of telescope uses visible light emitted by a star to make it appear closer? A) radio B) ultra violet C) optical D) infrared

According to existing research, chimpanzees Select one: a. do not use tools. b. have complex grooming and courtship behaviors. c. cannot solve technical problems. d. All of the choices are correct.

Ecological blank are a collection of plants, animals, and microorganisms residing in a habitat

2. What role does the environment play in the evolution of lactase persistence?

Who envisioned a kind of socialism known as communism? Robert Owen Karl Marx John Stuart Mill Charles Darwin

A white horse and a brown horse reproduce, which is the prominent gene

Why is it important to keep our water supply clean give 3 sentences?

From 2010 to 2011 the percentage of electricity generated from burning coal fell, while the percentage of renewable energy sources such as solar and hydroelectric went up.

When you chew food are you causing physical or chemical changes to the food

Which characteristic makes legumes a good food source for food-insecure populations? A. They are a source of protein. B. They are a source of fermented sugars. C. They are a source of cereal. D. They are a source of starchy carbohydrates