The correct answer that would answer the given question above would be EXPERIMENTATION. The scientific method uses observation to gather information, and to answer the questions based on the information gathered, this would involve experimentation. This is the testing of the information so that it would given a clear evidence on the answer. Hope this answer helps.
Answer:
Pushing the diaphragm causes air to flow out of the lungs, which pushes the blockage out.
Explanation:
in the earth's atmosphere is made up about approximately 78 percent nitrogen and 21 percent oxygen.
Answer:
Explanation:
They need to have sunlight and carbon dioxide in order to produce glucose and oxygen
Answer:
absorb water from the soil by osmosis.
Explanation:
Root hair cells
Plants absorb water from the soil by osmosis. They absorb mineral ions by active transport, against the concentration gradient. Root hair cells are adapted for taking up water and mineral ions by having a large surface area to increase the rate of absorption
