Kenya has a pile of salt on the counter. she uses a pinch of it for a meal. which of the following physical properties of the salt change?
a. density
b. shape
c. solubility
d. thermal conductivity

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

The substances that are necessary for producing of certain hormones and that store and transport vitamins

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.