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19. Chung is working on creating a new type of plastic for disposable water bottles. If Chung wants the water bottles to have a lower environmental impact, what characteristic should he focus on for his water bottles?

A.
rigidity

B.
practical for use in multiple settings

C.
durability

D.
biodegrades quickly


20. Luana has a minor bacterial infection, and the only anti-bacterial agent she has available is an antiseptic. Luana should only use the antiseptic if her infection is where?

A.
skin

B.
ears

C.
lungs

D.
urinary tract

21. In what year was DNA recognized as a means of genetic inheritance?
A.
1944
B.
1951
C.
1953
D.
1960


22. What was the final cost per base in the Human Genome Project?

A.
5 cents per base

B.
9 cents per base

C.
10 cents per base

D.
25 cents per base

1 Answer

3 votes

Answer:

19 D because u want it to break down easily into smaller particles so as to decompose and cause less harm

20 A because it can be toxic in the body

User David Hicks
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