These are my last exam questions i need help with, i’m sorry i’m asking for so much, i woke up late today and missed my science exam so now i have to makeup for it and i’m in a hurry, hope someone can help!

Sound waves

It's speed increases

And I'm not sure about the last one. I think maybe density increases but I'm not sure

Explanation:

glycolysis is a process that fuel your metabolism. it is apart of cellular respiration the process that produce atp.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this