A calorie is the commonly used unit of chemical energy. It is also the unit ofA. radioactivityB. lightC. heatD. sound

Each winter, ice covers a lake. during this time, fish in the lake have a smaller food supply. what kind of disturbance is this?

If the measure of angle 3 is equal to (2x + 6) ° and x = 7, which statements are true?

What 3 things provide evidence for the genetic relationship among organisms?

Which of the following statements about the location of our solar system is correct? A. Our solar system is about halfway between the center of the Milky Way galaxy and its outer edge. B. Our solar system is not in the Milky Way galaxy. C.

2. Why is the difference between the speed of 100m race (10.44 meters per second) and 5000 m (6.60 meters per second) so much larger than the difference in speed between the 5000m (6.60 meters per second) and the 10,000 (6.34 meters per second) ?

Two students are working together to Gram stain a mix of Gram positive and Gram negative cells. One of the students accidentally uses a bottle of water instead of ethanol during the decolorization step. How would this mistake alter their results? A.

Why are substances able to diffuse through the capillaries?

Describe two properties of an exchange surface that would facilitate rapid diffusion rates

A forest fire in florida clears thousands of acers of trees. What is the most likely consequence for the amimal population in the area?

Using data, provide evidence that evolution is an ongoing process.