fossil fuels ( coal, oil, gas)
What will be an ideal response?
matter becomes trapped in rocks and it becomes a fossil fuel
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Which of the following is most true of sexual reproduction?
A) Sexual reproduction allows for more rapid population growth than does asexual reproduction. B) Only half of the offspring from sexually reproducing females are also females. C) Asexual reproduction produces offspring of greater genetic variety. D) Sexual reproduction is completed more rapidly than asexual reproduction. E) Asexual reproduction is better suited to environments with extremely varying conditions.
The technology of transplanting nonhuman organs into humans is known as _____
a. immunoglobulin treatment b. cross reception c. genomic transmission d. xenotransplantation e. organotransplantation
The impact of a keystone species is proportionate to their abundance in an ecosystem
____________________ Indicate whether the statement is true or false.
Which of the following hypersensitivities are T cell-mediated responses against self-antigens or otherwise harmless antigens?
A) type IV hypersensitivities B) type I hypersensitivities and type II hypersensitivities C) type II hypersensitivities D) type III hypersensitivities E) type I hypersensitivities