Answer:
sound waves travel.faster through materials that are more dense
It’s positive when you use energy for work
Answer:
yes, because evidence from scientifically research studies, is important because it lets us make decisions based on what works with studies of science we can know if this is right or not
Explanation:
Hope i helped~
Lead (II) chloride+ potassium nitrate
PbCI2+KNO3(B)
Answer:
A.
Explanation:
It would be A. because the question is asking how the harmful chemicals have an effect on the environment. This answer also proves that even though we don't mean to harm the environment it still happens because we are using these chemicals for things in our daily life.
