1) C
2) D
3) D (based on my understanding ..)
4) A
5) i cant see letter D
"RESPIRATION" causes the amount of carbon dioxide in the air to increase
Hope this helps!
The chances that the child will express that trait is 1/4 or 25%. Let the dominant trait be R and the recessive r.
A cross between Rr and Rr would yield RR, Rr, Rr and rr. Only RR would express the trait since its recessive.
Therefore chances =1/4 or 25%
Answer:
d. Antibiotics kill some Bacteria and Fungi and are unable to treat Viruses.
Explanation:
Antibiotics are only used to kill bacterias or to decrease their reproductive rate by difficulting their growth and reproduction.
Also, some antibiotics might be used o treat infections caused by some fungi and parasites (but not all of them).
To remember this, you can just think about its name. Anti- means against, biotic- means life. These are substances used to attack certain living beings, such as bacteria. As viruses are not alive cells (they are DNI + proteins), antibiotics have no effect on them.
