Because food and water are resources that are basic needs for all members of the population. When these resources decrease more members of the population will either die or move to another area and the population size will decrease.
Hope this helps!
'The slower moving' type of water molecules have the greater tendency to condense to the liquid state from the gaseous state.
If the molecules speed up it means that energy has been added to the system. Eventually, therefore, the water would evaporate into steam (or water vapour) provided the energy was continued to be added to the system.
Vice versa if the molecules are slowed down then the water molecules in gas would condense and change their state from gas to liquid.
Condensation is the process where water vapour becomes liquid. It is the reverse of evaporation, where liquid water becomes a vapour.
Condensation happens one of two ways: Either the air is cooled to its dew point or it becomes so saturated with water vapour that it cannot hold any more water.
Learn more about condensation here : brainly.com/question/1268537
#SPJ4
<u>Given:</u>
Distance of solvent front = 68 mm
Distance of unknown = 48 mm
<u>To determine:</u>
The rf value
<u>Explanation:</u>
The retention factor or the rf value is given by the ratio of distance traveled by the unknown to the distance traveled by the solvent front
RF = distance by unknown/distance by solvent
RF = 48/68 = 0.706
Ans: the RF value is 0.706
<h3>
Answer:</h3>
5 m/s²
<h3>
Explanation:</h3>
From the question, we are given;
- Mass is 3 kg
- Force is 15 N
We are supposed to calculate the acceleration;
- To calculate the acceleration we will use the second Newton's law of motion;
- According to Newton's second law of motion, the resultant force is directly proportional to the product of force and mass.
In this case;
To get acceleration we rearrange the formula;
a = F ÷ m
= 15 N ÷ 3 kg
= 5 m/s²
Therefore, the acceleration of the ball is 5 m/s²
