Aoagive reason fluorine is a gas iodine is a solid

because electron molecule in floirine are tightly held to the nuclei dispersion force are relatively weak and in iodine they are strong

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.

i would say b

explanation:

but i think i would need more information than that