Which of the following did NOT lead to the Dust Bowl? a) a severe drought
b) soil was used for growing wheat
c) land was used for cattle
d) the government planted trees

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

What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b.a light particle