Answer:
because it begins where there is no soil. It can take several hundred to several thousand years to produce fertile soil naturally. The first pioneer species to colonize the bare rock will probably be bacteria and lichens, which can live without the soil.
Explanation:
Canada shares boundary with America and eastern Canada stretches from altantic ocean to pacific ocean.
Answer:
I hope this helps:
When asteroids enter the atmosphere of Earth or any other planet, they are called meteorites. Typically, asteroids are too small to form a circular shape, unlike dwarf planets or comets.
Explanation:
What would happen? The ecosystem would remain stable because the red-tailed hawk would be replaced by increasing populations of elf owls as apex consumers. Food web is the network of different food chains operate in any ecosystem. A food chains consists of producer and different consumers. Apex predators (top carnivores) are top consumers. In a given image of food web of a desert ecosystem, red-tailed hawks are an apex consumer. If red-tailed hawks are removed from the given food web, the populations of elf owls will increase due to unavailable their predator and elf owls will become apex consumers and the ecosystem would remain stable.
The answer is A, it is the scientists belief that there was
a massive Colum of dust in the beginning. It formed to make the sun as its
central mass and some of it aligned around the central mass of sun. And the
gravitational pull of the mass kept the planets revolving around the sun.