Non-potable water may contain . A)

disease vectors

B)

pathogens

C)

high levels of chemicals

D)

high levels of suspended solids

E)

all of the above

How do you name a compound with more than two elements?

In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment