A scientific model can be used to . a.
replace study of the actual system
b.
better understand systems and processes
c.
complicate ideas
d.
all of the above

Please select the best answer from the choices provided

A
B
C
D

B

Explanation:

Scientific models are used to gain a better understanding of systems and processes. 

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.v

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.