Answer:
I definitely think he mostly observed that it was clear in color.
Explanation:
Cylinder D
temperature is the measurement of average kinetic energy of a sunstance. since cylinder D has the highest average velocity, it has the highest average kinetic energy among the 4 cylinders, thus cylinder D is the hottest.
Answer:
Forests prevent desertification.
Explanation:
Period are going left to right across the periodic table
Groups are going up to down on the periodic table