Which of the following issues is causing pollution and damage to water ecosystems in nigeria?
a.
dam construction on the niger river
b.
toxic dumping by factories
c.
spills from the nation’s oil production
d.
too many older vehicles on the roads\
of the following issues, which is the most significant environmental challenge facing africa today?
a.
deforestation due to the construction of shopping centers and restaurants
b.
desertification caused by poor agricultural practices
c.
air pollution resulting from the construction of factories in rural areas
d.
erosion of coastal areas because of sinking sea levels

If you could drill a hole straight to the center of the earth, and keep track of what the hole is going through, youwould find: a) you would go through one sort of material, and then a different, denser material, and then a still-different, still-denser material, because the planet is made of concentric layers, sort of like an onion.b) you would go through one sort of material all the way to the center, because the planet is all mixed up.c) if your hole started at the north pole, you would go through different layers of different materials, but ifyour hole started at the equator, you would go through one sort of material all the way to the center.d) if your hole started at the equator, you would go through different layers of different materials, but if yourhole started at the north pole, you would go through one sort of material all the way to the center.e) you would strike diet pepsi when you got to the center.

Explain the reason for having an equator and a prime meridian. how do these two lines us to navigate our world? describe your opinion in at least two to three sentences.

Which terrestrial biome has abundant rainfall