Tuesday
March 3, 2015

Homework Help: Environmental Science

Posted by y912f on Monday, February 8, 2010 at 11:52am.

I need a little help on these, i've posted them a few times but i don't get any answers.

29. A common feature of thermal pollution and artificial eutrophication is that they both
a. have sources that are difficult to identify and control
b. cause large mats of algae to bloom in fresh water
c. are a result of power plants and other industrial activity
d. decrease the amount of oxygen dissolved in water

D

33. A true statement about greenhouse gases is that they
a. convert sunlight into eat energy that warms Earth
b. are concentrated in the stratosphere
c. trap hear that is radiated upward from Earth
d. are not affected by human activity

it's either A or C

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Environmental Science - I need help on this question: 29. A common feature of ...
Envi - I need help on this question: 29. A common feature of thermal pollution ...
Environmental Science - What is another cause of artificial eutrophication? ...
ecology - what are the six steps of the very serious and common water pollution ...
Environmental Science - Can someone please like help me? :') Mack, what is your ...
Environmental Science - 29. A common feature of thermal pollution and artificial...
Environmental Science - Name another cause of artificial eutrophication. (Is it ...
Environmental Science - are these correct? 29. A common feature of thermal ...
Environmental Science - I need help trying to figure out what the main idea of ...
Environmental Science - Here is another part of my test that my teacher told me ...

Members