Pines, spruces, and firs are conifers
Answer:
The correct answer is D. zygote and finally develops into a fetus
Explanation:
Zygote is formed by the fusion of male gametes and female gametes. It is considered as the first stage of development of a baby. Zygote is a unicellular structure which develops into an embryo which is a multicellular structure.
Then this embryo develops and is called a fetus at the starting of the 11th week of pregnancy. A developed fetus is the final stage of prenatal development.
Therefore during successful prenatal development, a human baby begins as a zygote and finally develops into a fetus. So the correct answer is D.
They are related because the high pitch sounds correspond to the sound waves which give high and low frequencies.
The answer is B-divergent boundary
1. D
2. A
3.
4. D
5. A
6. C
7. C
8.
9.
10. B
11. B
12. B
13. C
14. B
15. A
16. D
17.
18. D
19. C
20. A
21. A
22. B
23.
24. A