LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

ECOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Human activity can cause excess nutrients in our watershed that are harmful to the ocean system. Where do excess nutrients, such as nitrogen and phosphorous, typically come from?
A
Sediment or dirt
B
Trash
C
Oil and chemical spills
D
Overuse of fertilizers
Explanation: 

Detailed explanation-1: -Nitrogen and phosphorus exist naturally in aquatic ecosystems, but human activities such as the use of fertilizers, wastewater management, fossil fuel burning, and runoff from use of soaps and detergents introduce excess nutrient pollution into ecosystems faster than it can adapt.

Detailed explanation-2: -The primary sources of nutrient pollution are fertilizer, animal manure, sewage treatment plant discharge, detergents, storm water runoff, cars and power plants, failing septic tanks and pet waste.

There is 1 question to complete.