The weatherizing of buildings to reduce heat loss and save on fuel costs has led to an increase in А
global warming.
B
acid rain.
С
ozone depletion
D
indoor air pollution.

global warming

Explanation:

Global warming is simply referred to as the long-term heating of the surface of the Earth and this is caused by human activities, and also the burning of primarily fossil fuel, which brings about the pumping of carbon dioxide, greenhouse gases and air pollutants into the atmosphere.

The weatherizing of buildings to reduce heat loss and save on fuel costs has led to an increase in global warming.

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)

i think the answer is c hope this