A. mechanical waves.
Basically, they need particle interaction which includes having a medium to transport their energy from one place to another.
Answer:
2. 2H2O2 -> 2H2O+ O2
Explanation:
This equation is balanced because there are equal amounts of each element on each side. 4 Hydrogen on the left, 4 On the Right. 4 Oxygen on the Left, 4 on the right.
Although 1 is balanced it is not the Chemical equation for hydrogen peroxide (H2O2)
2. is not the equation for Hydrogen Peroxide
4. Balanced although this one does not show oxygen as a gas ( when oxygen is a gas it is O2)
Answer 4
PLS MARK AS BRAINLIEST I HAVE LITERALLY 0 BRAINLIEST
Answer:
The answer to your question is:
Explanation:
<u>Double-helix</u> is the structure of dna as first published by james watson and francis crick in 1953.
Biotic and living are the same thing, abiotic would be non-living