They use tools to help take precise measurements, carry out experiments, and make observations.
Vaccine is preventing the infection.
Antiviral is a medicine taken after infection
Answer:
Atom
Explanation:
An atom is the most simple and basic form of matter which cannot be broken down any further.
Answer:
i could be wrong im sorry but i think the test variable would be the light and dark environments and the outcome would be if they survived.
Explanation:
Answer:
Plant more trees, stop eating meat because most of the amazon is cut down do to agriculture and animal food. By not eating meat you will not need to cut down the amazon to grow cow food in large areas.
Explanation: