Answer:
eat, lignite, bituminous, and anthracite.
Explanation:
The stage depends upon the conditions to which the plant remains are subjected after they were buried: the greater the pressure and heat, the higher the rank of coal.
The answer is c because if you treat the sewage water than you that means that the water will be clean so it prevents diseases
Answer: You can add neutral solutions with a pH of 7, like water. Water will dissolve the alkaline/acidic pH to near 7 and 8, which are safe to drink.
Hope this helps you!
<h3>C.Green only</h3>
At low light levels, green leaves are most efficient at photosynthesis. But well yeah, in sunny days, red light will work the same as green light
