Instead of using a car, use a bike to help not pollute the air. Recycle water bottles. And use energy-efficient light-bulbs.
Europe and America used slaves for labor so the slaves in America or Europe are subtracted from the South African population.
Answer:
To move into a country without authorized access from the government
Explanation:
The best pyramid for this is the biomass pyramid. That is because they show how much ecological material can be found at each trophic level, which then can be used to model how the matter flows through the ecosystem that is being analyzed.
To add fractions with different denominators you must convert the denominators into the lowest common factor. Aka the multiple they all go into. You then times the numerator by what you timsed the denominator by to make sure they both have the same denominator.
Example:
2/5+4/10
They both go into 10.
4/10+4/10= 8/10. 2 became 4 because 5x2=10.
I hope this helped!
You could also simplify 8/10 into 4/5z
