"Rainwater can replace or replenish freshwater sources" and "precipitation, such as rainwater, is a source of freshwater on Earth" statements describe freshwater sources
<u>Explanation:</u>
Rainwater a source of pure distilled water, evaporated by the sun. When it falls it comes in contact of air and land. when ground soaks the water it becomes mineral water. And it is safe for drinking.
All the freshwater sources are result of precipitation from the earth surface,in various form i.e rain,mist,snow. Freshwater falling as rain have materials dissolved from atmosphere in it,sea and the land over which the clouds has travelled.
Because they are autorotrophs(they make their own food)so most organisms depend on them.
Answer:
D
Explanation:
Brain can create new connection between neurons.
The mechanism of contraction in smooth muscle is different from skeletal muscle in that the site of calcium regulation varies. In addition, in an isotonic contraction the muscle alterations in length and moves the load and the the muscle cell membrane is named the sarcolemma.
