Which is a nonpoint source of pollution?

tourists throw trash into the ocean.

a car mechanic pours oil on the ground.

rain contains chemicals that seep into the ground.

a pipe dumps waste from a factory into a stream.

Rain contains chemicals that seep into the ground.

Explanation:

Rain water does not cause pollution.

Rain water is free of toxic chemicals and full of nutrients.

It therefore adds up to the conservation and beautification of the environment.

Spilling oil on the ground is hazardous to the environment since oil contain harmful chemicals which pollute soil.

Throwing trash into the sea threatens aquatic life by polluting water.

c

Explanation:

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.