This statement is false!
Although the overwhelming majority of pollution is caused by human activity, there are also some natural pollutants. For example, volcanic reactions often release unwanted materials to the atmosphere.
One of the pollutants is carbod dioxide, and it's also for example exhaled by monkeys which have never been contacted by humans.
B: asteroids.
In the early days of the Solar System, the gravitational influence of Jupiter caused the formation of the Asteroid Belt: in this region of the Solar System, there was enough material to form planets, but then Jupiter's gravity increased the velocity of this potentially new planets, so instead of accrete they collide into each other, forming the asteroids we can observe today.
Corals can reproduce asexually and sexually, but MOST polyps reproduce asexually. The BEST answer from the choices listed above is the second option or option (B).
The traditional business cycle is a cycle of economic boosts and recessions; <span>stagflation is an economic recession. </span>