Physical Properties<span>: </span>Physical properties<span> can be observed or measured without changing the composition of matter. </span>Physical properties<span> are used to observe and describe matter. so physical changes are the change in temperature of the land and the evaporation of water and change humidity of the air. chemical change is the ripening of the orange</span>
Answer:
drought
Explanation:
droughts are long periods without water
A pure substance and a element
Answer:
Each row is called a period. Each column is called a group or family.
Explanation:
I’d go with true. Most nuclear bombs use both fission and fusion but now all of them. And all bombs need fission to work.
