which of these is an example of precipitation?
a. a steady drizzle falls in pittsburgh.
b. a puddle dries up in baton rouge.
c. clouds form in the sky over san diego.
d. water flows into streams after a storm in dallas.

A. A steady drizzle falls in Pittsburgh.  

Explanation:

Precipitation is any kind of weather in which something is falling from the sky.

A drizzle consists of small water droplets coming from the sky.

B, C, and D are wrong, because nothing is coming from the sky.

good one: produce hormones that plants grow.

bad one: the problem with organic matter is that while plant nutrients are needed for crop growth, they can also stimulate excessive growth of the wrong plants – mainly, algae.

answer; atp and nadph;