water pollution in the united states and canada is caused by: a)acid rain b)runoff from agricultural chemicals c)industrial wastes D) all of the above

since the 1970s the u.s and canada have reduced ________ around lake erie. A)unregulated boat traffic B)overgrowth of destructive algae C)noise pollution D) illegal immigration
1)D 2)b

I think your answers are correct; however, it really bothers me that you don't start sentences with a capital letter, don't end sentences with a period, and use i instead of I. I know it is a time saver, but honestly, pushing the caps button and not pushing the caps button may save half of a second. Perhaps even a full second but that's no large savings, especially, when doing so makes your posts so much easier to read.

Yes! Both are right!

Great! Job Good job

To answer the first question, we need to identify the causes of water pollution in the United States and Canada. The options given are:

a) Acid rain
b) Runoff from agricultural chemicals
c) Industrial wastes

To determine which of these options cause water pollution, we can consider the following steps:

1. Research: Look for credible sources such as government reports, scientific studies, or environmental organizations that provide information on water pollution in the United States and Canada.

2. Identify causes: Study the sources to identify the various causes of water pollution in these countries. Note down any information related to acid rain, agricultural chemical runoff, and industrial wastes as potential causes.

3. Evaluate options: Once you have gathered information on the causes, consider each option provided in the question - acid rain, agricultural chemical runoff, and industrial wastes. Determine if these causes are mentioned as contributors to water pollution in the sources you researched.

4. Answer the question: Based on the information you gathered, select the option(s) that are indicated as causing water pollution in the United States and Canada. In this case, if all three options (a, b, and c) - acid rain, agricultural chemical runoff, and industrial wastes - are mentioned as causes of water pollution, the correct answer would be option D) all of the above.

For the second question, we are asked what has been reduced around Lake Erie since the 1970s. The options provided are:

A) Unregulated boat traffic
B) Overgrowth of destructive algae
C) Noise pollution
D) Illegal immigration

To find the correct answer, we can follow these steps:

1. Research: Look for information on the changes or improvements made around Lake Erie since the 1970s. Again, credible sources such as government reports, scientific studies, or environmental organizations can provide valuable information.

2. Identify changes: Look for any specific changes mentioned in the sources regarding unregulated boat traffic, overgrowth of destructive algae, noise pollution, or illegal immigration around Lake Erie.

3. Evaluate options: Consider each option provided in the question and determine if any changes or improvements have been made in relation to them. Focus on the information you found during your research to identify the correct option.

4. Answer the question: Based on the information you gathered, select the option that has been reduced or improved around Lake Erie since the 1970s. In this case, if the research indicates that the overgrowth of destructive algae has been reduced, the correct answer would be option B) overgrowth of destructive algae.