What are three types of variables in a controlled experiments?

What's the minimum number of calories to eat per day?

A scientist hypothesizes that the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female.

What step of the rock cycle happens as the sea stacks are broken down

In an exothermic reaction, the amount of energy required to break the attractions among the solute particles and among the solvent particles is A) greater than the energy released as attractions form between solute and solvent particles.

What are three positive effects of diverting or stopping the flow of river water

How would life on earth be different if earth's axis were not tilted with respect to its orbit? A. There would be no seasons. B. There would be no day and night. C. All places would have the same climate. D. The seasons would be much shorter.

What will a spring scale read for the weight of a 75.0-kg woman in an elevator that moves upward with constant speed of 5.8 m/s?

What's the definition of: • cellular respiration • photosynthesis

What are the steps that are important to take for your safety during an earthquake? a. stay away from walls and windows c. stay away from electrical and gas lines b. get under a desk or table d. all of the above

You have an open air column of length 1.40 m in air at 24.2 °C. What is the frequency of the third harmonic?