Answer: Mechanical digestion breaks food into smaller pieces.
Explanation:
Answer: Decreased ability to carry oxygen.
Explanation:
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.
Two things that INCREASE population, would be an increase in leisure space. Another is if the area is sustainable for life. Two things that would DECREASE population, would be a scarcity of any required resources. A decrease in space, and not a sustainable area.
Answer:B.
It was used to prove that smoking causes health problems.
Explanation: