Dr. Joseph is testing whether blood hounds are able to smell people wearing specially designed, air tight body suits. In his experiment, a man wearing such a bodysuit hides in a forest, and a bloodhound tries to trail hit send. Dr. Joseph walks along with the bloodhound and monitors its progress. For the results of the experiment to be useful, which of the following should Dr. Joseph do?

children tend to take more after their grandparents more than their parents. it’s the dna you received that was passed down to you somewhere in your family. maybe one of your grandparents had/has straight hair and you might have gotten it from them.

which

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.