I believe its B because bees spread pollen but take honey.
Answer:
B
Explanation:
Simple diffusion does not require energy: facilitated diffusion requires a source of ATP. Simple diffusion can only move material in the direction of a concentration gradient; facilitated diffusion moves materials with and against a concentration gradient.
The answer is energy, which is stored in the body for later use
Answer:
The correct answer is - Trains can have inconvenient schedules, but produce less pollution than cars do.
Explanation:
Trains are expensive to build and also required land for making routes and stations and platforms for passengers but that can be reimbursed by fare in a longer time period.
Trains also produce pollution but in comparison to cars these are way less contribute to the pollution, However, these are not convenient as they start and reach at a specific time and also sometimes not comfortable like cars.
She could remove the stem of a flower of the same species and place it back in the red-coloured water as a control experiment and observe if a colour change takes place. If not, then it confirms her hypothesis.