To speed up chemical reactions by decreases the amount of energy needed In the reaction
The second and third one I believe
Explanation:
The most common and fastest way of measuring ocean depth uses sound. Ships using technology called sonar, which stands for sound navigation and ranging, can map the topography of the ocean floor. The device sends sound waves to the bottom of the ocean and measures how long it takes for an echo to return.
They are viruses that infect bacteria and require a bacterial host in order to replicate themselves
