Factories, cars and cigoretes.
All of these things are polluting the air cuasing it to heat up more which is cuasing global warming
Answer:
so like a plant that loses leaves in the fall does so because it won't have sun in the winter. then they grow back. it adapts to the environment
The error is that four haploid daughter cells are made so it needs to be 4N, because there should be 4 instead of 2
<span>Metalloids are metallic-looking brittle solids that are either semiconductors or exist in semiconducting forms, and have amphoteric or weakly acidic oxides. Typical nonmetals have a dull, colored or colorless appearance; are brittle when solid; are poor conductors of heat and electricity; and have acidic oxides.</span>
Montreal Protocol is the correct answer I think
