Density = mass / volume
= 69g / 23 ml
= 3 g / ml.
Thus, the density of the sample is 3 grams per ml or 3g/ ml
The land is warm during the day. For example, if you near a sea early in the morning, you could see how cold, cool the place is.
Many food chains together create a food web.
hope this helps,, have a nice day :))
Answer:
The air molecules are closer together in the upper stratosphere.
Explanation: