True or false: water is a unique substance because it exists as a solid, liquid, or a gas under normal conditions on earth

Which of the following is a common danger of commercial fishing?

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 causes darkening of the skin as melanin production increases