Answer:
45 mg of caffeine in one cup of instant coffee.
By gathering information from past facts
Answer:
As the sweat evaporates off your skin, you cool down. Sweat is a great cooling system.
Explanation:
A single gene could be inserted into a plant's genome, enabling specific traits to be expressed easily. Scientists have identified genes for two enzymes needed to make pro-vitamin A. One of these genes comes from corn.
Your answer would be the third choice, C.
