1. a 651 kg box is lifted up to a ledge 4521 cm off the ground in 12 seconds. Calculate the work done 2. A 651 g box is lifted up to a ledge 452.1 m off the ground in 12.0 seconds Calculate the work done

3. A 200.7 mL sample of gas has a pressure of 1.35 Pa. What is the new volume, in liters, as the pressure changes to 0.420 Pa?

mendel's first law states that during the formation of reproductive cells , pairs of hereditary factors for a specific trait separate so that offspring receive one factor from each parent.

explanation:

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

answer: b

coz red blood cells marrow and circulates the body for 120 days.