When in space it is a meteorite. When it is entering the atmosphere, it is a meteor. When it hits the earth it;s classified as a meteoroid.
Hope this helps.
False, only some . Hope this helps !
Antigens are substances capable of mobilizing the<u> </u><u>IMMUNE SYSTEM</u>
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<u>Your answer would be: </u> IMMUNE SYSTEM
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<u>Hope that helps! </u> : )
Allele frequency:
Number of times an allele occurs in a gene pool compared with the number of alleles in that pool for the same gene
