If the winds shift from Eto NE, and the barometric pressure drops rapidly which type of weather will most likely occur? a. storms and strong winds
b. partly cloudy and cool
c. warm and clear skies
d. several days of rain

How does pregnancy begin? a) a placenta forms in the uterus b) a sperm reaches an egg in the fallopian tubec) the blastocyst differentiates into two cell types d) contractions begin in the uterine wallapex

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Nucleic acid certain protein cell membranes certain carbohydrates