Answer:
I think the first one is filtration
Explanation:
That is respirator mask or a filtration mask I guess and if the man breathes the sawdust he will practically get sick
I hope I helped this is all I know
Answer:
crops is a renewable resources, coal, natural gas and oil are not renewable as they will not last forever.
B , because there is more than one path of energy coming from the plants but if it’s not B then it’s A because arrows that are all over the place is what makes it a web
I will come back to this question tomorrow with the paragraph