What is a carbon footprint

Why are some drugs legal and others illegal

Where was tesla when the idea for the AC motor came to him? what did he immediately do? it's for physics I put bio on accident

What group of organisms are responsible for capturing energy within ecosystems

In times of stress the adrenal glands secrete stress hormones such as

Archaeans can come in many shapes, but, what are the 3 shapes that bacteria come in?

Which state of matter is the rarest on earth? a. solid b. liquid c. gas d. plasma

Once supported by a predictable experimental outcome, a scientific hypothesis a still cannot be considered to have been proven true. b. can be used to predict the outcome of all future similar events. c is elevated to the status of theory. d.

Which kind of investigations are meant to provide large amounts of information about a wide range of variables

What specific powers are given to the government under the Constitution

A scientist is investigating mutations. She observes a mutation where one or more nucleotides are inserted into a sequence of DNA. The scientist claims that this insertion mutation will affect genetic variability.