Answer:
8
Explanation:
there are two ammonium ions with four hydrogen atoms each.
4*2=8
The brother is represented by variable b.
The sister is represented by the variable s.
This means:
b+s=26
Answer:
Yes
Explanation:
As the number of animals that eat plants increase, the number of plants decrease. This is because the animals are eating a larger and larger number of plants and reducing the population.
When the number of plants gets too low, the animals will not be able to survive, and they will start to decrease in numbers. In turn, the plants will increase again. Eventually, they will reach an equilibrium.
