Water vapor in the atmosphere is important for which of the following reasons?
a) in the earth's early atmosphere, water vapor interact with ultraviolet light to free oxygen and hydrogen
b) water cycle
c) wind
d) gravity

25. what does meiosis create? haploids or diploid? somatic cells or gametes?

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

What are levels of ecology and how can we remember them