Every 5 years it will be half. So
After 5 years = 10/2 = 5 grams
After 10 years = 5/2 = 2.5 grams
After 15 years = 2.5/2 = 1.25 grams
"Untreated water from a factory flowing into a lake" is an example of point source pollution.
Why? You can actually point to a specific source- the factory. Runoff isn't considered point source.
If I helped you mark brainliest.
Answer:
B. They use energy from the sun to make their own food
Answer:
0.2 g/ml
Explain: density is found when you divide mass by volume