Identify the structures marked with arrows. From top left to bottom right
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Which box will not accelerate? 4 newtons 4 newtons 4 newtons 25 kg 4 newtons 15 newtons 10 kg 30 newtons 40 newtons 50 kg 30 newtons 30 newtons

Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.