Answer:Long term drought, change of season from winter to summer, forest fire are unfavorable environmental factors which can deplete the amount of resources already available with the ecosystem. The long term drought will be a condition in which the ecosystem will suffer from non-availability of water.
Explanation:
It made me feel sad but also happy that they didn’t chose
Answer:
F = 25000 N
Explanation:
It is given that,
Pressure exerted by the object, P = 1000 Pa
Area of cross section, A = 25 m²
We need to find the force exerted on an object. The pressure exerted by an object is equal to the force acting per unit area. So,

So, the force exerted on an object is 25000 N.
Answer:
Differential reproduction leads to a change in allele frequencies over time. This occurs because of natural selection favoring "successful" individuals that produce more viable offspring.
The sickle-cell allele is maintained in populations exposed to malaria through balancing selection, since heterozygous individuals have protection against the disease.
Answer:
A
Explanation:
A because water needs to be evaporated first
tbh I'm torn between a and b