1. Where do salts and minerals in the ocean come from? a. the amount of carbon dioxide tends to vary with depth
b. Erosion, hydrothermal vents, and volcanic activity
C. Erosion and temperature changes
d. currents change the pH of

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated