The vinegar was used to remove the shell from the raw egg. What other effects did the vinegar have on the egg?

Why is a hypothesis called an educated guess?

Which outcome is an example of a response? A. Water lost from the lungs during breathing B. The phrases of the moon through the month C. The angle of the sun changing during the day D. Blood sugar levels dropping after missing a meal

Which would most likely trigger a climate change that could lead to a mass extinction?

Anything within an environment that causes a response in an organism A.) long-day plants B.) short-day plants c.) tropism D.) stimulus

What is the largest north american bear?

Hydroelectric power produces electricity using?

What human activity would have the most significant effect on the temperature of the earth? A) deforestation B) producing smog C) producing CFCs D) burning fossil fuels

Which resource is sometimes unpredictable in terms of energy production?

How many strands does a DNA molecule have?

The nucleus of an atom always contains one or more?