Why is the plasma membrane called a selectively permeable membrane

Orion the hunter is known for two navigational stars. which pair of stars are they?

Yo! a girl out ! i will give brainliest! hu one of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.

8. is a technique that uses the images from several telescopes to produce a single image. a. reflection b. interferometry c. radiation d. refraction