D. Greenhouse gas feddback
I'm not for sure but I believe this is the answer sorry if I get it wrong in advance
<span>the most abundant type of rocks on earth are classified as - </span>a. igneous
It should be where the rivers separate through Nigeria
A. The rate of photosynthesis must be greater than the rate of respiration
A seismometer is an instrument that responds to ground noises and shaking such as caused by earthquakes, volcanic eruptions, and explosions. They are usually combined with a timing device and a recording device to form a seismograph.