Answer:
Mark has a speed of 6 MPS (Miles Per Hour)
Explanation:
It took mark 2 hours to ride his bike to his grandma's house, which was 12 miles away. I divided 2 by 12 and got 6. Remember this: mph = miles away ÷ time.
Answer:
The statement describes a process involved in the evolution of Earth’s early atmosphere would be:
Cyanobacteria transformed carbon dioxide in the atmosphere into oxygen during photosynthesis
Hope it helped :3
One is ocean
Two is green house effect is the trapping of gas in the atmosphere and global warming is the heating of the earth
Three is option one
Like in general, or is there something u didn't put?<span />
One is: vinegar and baking soda volcano. But a more planned, complicated experiment, would be a nuclear energy program.