Achemist is studying an unknown substance. he can break it into its elemental components only by using chemical means.

based on this observation, how should the unknown substance be classified?
a. impure substance

b. solution

c. mixture

d. pure substance

momentum of soft ball three times less than baskey ball

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.

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