Hormones are chemicals that generally
a. increase energy metabolism.
b. transmit nerve impulses.
c. accelerate chemical reactions in cells without being consumed in the reaction.
d. circulate in fluids from regulators to target cells.
e. cand d only.

the core of the sun is so hot and there is so much pressure, nuclear fusion takes place, hydrogen is changed to helium. nuclear fusion creates heat and photons. when the heat reaches the earth it warms the molecules of the atmosphere, and they warm other molecules and so on.

not sure if this is what you'r looking for nnew= nold

plants absorb water from the soil by osmosis. root hair cells are adapted for this by having a large surface area to speed up osmosis. the absorbed water is transported through the roots to the rest of the plant where it is used for different purposes: it transports dissolved minerals around the plant.