Answer:
The population size decreases.
Explanation:
If more of a species are dying than being born, the population size will decrease.
0.67s
Explanation:
Given parameters:
Speed of bullet = 600m/s
Distance of target = 400m
Unknown:
Time taken for bullet to reach target = ?
Solution:
Speed is a physical quantity that expresses the rate of change of distance with time;
Speed = 
Since time is unknown, we make it the subject of the expression;
time =
= 
time = 0.67s
Learn more:
Speed brainly.com/question/10048445
#learnwithBrainly