You want to determine which part of a plant is actually sensitive to light for phototropism. which of the following would be a good first experiment? a.) shine the light from on side only. then measure the auxin diffusing down the stem on the light areas. b.) remove the apical tip and apply auxin before beginning light treatments. c.) cover one part (for instance, the tip or base) before begging light treatments.

In which situations is the principle of cross-cutting relationship useful in determining relative age?

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?

How do water’s relative densities as a solid and a liquid differ from that of most other substances? water’s solid and liquid forms have different densities, while most other substances have solid and liquid forms with similar densities. water’s solid and liquid forms have similar densities, while most other substances have solid and liquid forms with different densities. water’s liquid form is less dense than its solid form, while the opposite is true of most other substances. water’s solid form is less dense than its liquid form, while the opposite is true of most other substances.