A car has constant acceleration as it passes two checkpoints. The time taken between checkpoints is 4 s, and the car’s acceleration is 6 m/s2. If the car’s speed at the first checkpoint is 1 m/s, what is the speed at the second checkpoint?

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide

the answer is 12 as i may remember

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b. a lightning bug, plug of grass, and a worm

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).