50 ! which examples describe how a plant might meet the challenge of getting and using energy? choose all answers that are correct. a. in a forest, trees grow tall and branches grow long to get enough sunlight. b. a cactus has spines to ward off predators. c. leaves on trees turn green in the spring due to increased sunlight, which allows for photosynthesis. d. potato plants store food in underground potatoes for use when necessary..

A. In a forest, trees grow tall and branches grow long to get enough sunlight.

Most plants reach higher up to compete for sunlight, which allows them to grow even more. If the trees cannot grow faster than it's competitors, it may most likely die.

C. Leaves on trees turn green in the spring due to increased sunlight, which allows for photosynthesis.

As shown by nature, trees grow the most when they get nutrients, and when there leaves are green. If it is a different color during spring, there may be problems with the tree, such as diseases or lack of nutrients.

hope this helps

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

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