In waves, refraction occurs when... a. waves meet a solid

b. a new surface is introduced

c. there is a change in the depth of the water

d. the temperature of the water changes unexpectedly

The picture shows a location in india that is very dry and arid. notice the tall mountains in the background; you can find high amounts of vegetation on the other side of the mountains. which statement is most likely true for this area?

Some substances but not other can cross the (blank) membrane of a cell

Which organism actively hunts other