Which of the following scenarios represents the best use of a scientific model?
a.
predicting weather patterns
b.
studying the result of mixing two chemicals
c.
studying the effect of oil spills on plant growth
d.
studying the speed of a ball down an inclined plane

Please select the best answer from the choices provided

A
B
C
D

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.

What part of the brain is highlighted in the diagram below?

20 the compound al(nh3)2 has atoms of nitrogen.