What type of resource is the sun and why? A. The sun is a perpetual resource because solar radiation steadily streams from the sun now, but it will only do so for the next thousand years.

B. The sun is an unsustainable resource because solar radiation steadily streams from the sun without interruption and is expected to do so for the next 6 billion years.

C. The sun is an unsustainable resource because solar radiation steadily streams from the sun now, but it will only do so for the next thousand years.

D. The sun is a perpetual resource because solar radiation steadily streams from the sun without interruption and is expected to do so for the next 6 billion years.

PLEASE HELP ASAP

The endoplasmic reticulum (er) is an organelle in some cells. in these cells, it is continuous with the nuclear membrane and forms a large part of the cell\'s total membrane. sort the phrases below as describing rough er, smooth er, both, or neither. note: if you answer any part of this question incorrectly, a single red x will appear indicating that one or more of the phrases are sorted incorrectly.1) found in prokaryites and uekaryotys2) involved in protein synthesis3) involve in lipid synthesis4) contains molecular chaperones in lumen5) bound with ribosomes6) involved in toxin or drug metabolism7) large systemot internnected tubules,vesicles, and sacs8) "packages" enzymes in vesicles for secretion.

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases

What happens to the average kinetic energy of water molecules as water freezes?