In the 1600s, which scientist discovered microbes in pond water by using a microscope

The image shows embryos of three vertebrate classes

Plz ! having a smooth seeds is the dominant trait. having wrinkled seeds is a recessive trait. the offspring of two plants with smooth seeds, a. must have smooth seeds. b. may have smooth or wrinkled seeds. c. must have wrinkled seeds. d. have a 25% change of having smooth seeds.

Explain how organisms could be harmed by high levels of salt from roadways?