Genetic engineering, artificial selection and cloning are examples of biotechnology Which phrase best defines biotechnology?

1.) the use of computers and electronics studying biology

2.)living things and biological processes

3.)scientific field that uses technology to purposefully change living things

4.) developing instruments used for biology

This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.