Answer:
Middle: Self heating containers are really expensive but are useful because they are easy to use, portable, and can be recycled, unlike a camp stove which is not as easily moved.
Explanation:
i neeed a better image for the first an last boo<3
CO2 + H2O + Energy are the comments
No! Acetone is a compound :)
Answer:
Choice C - a mixture
Explanation: I just did the question
Answer:
The number of waves that pass a fixed point in a given amount of time
Explanation: