If a star is 300 light-years from Earth, how long does it take light from that star to reach Earth? 300 light-years 300 years 300 hours 300 days

Explain the role of bacteria in the nitrogen cycle

This is an excerpt from "When We Two Parted" by Lord Byron. They name thee before me, A knell to mine ear; A shudder comes o'er me- Why wert thou so dear?

The bacteria bacillius anthracis which cause anthrax has been developed as a biological warfare agent. which of the following abilities could have let to this

What is prezygotic isolation

How fast can superworms decompose in soil?

A 56 year-old pro golfer is having mohs micrographic surgery for skin cancer on his forehead. the surgeon performs the surgery with two stages. the first stage includes 4 tissue blocks and the second stage includes 6 tissue blocks.

13. Excess salt is removed from the body through sweat glands in the skin, This is an interaction between systems.

a cell with 5% salt concentration is placed in a beaker with 1% salt concentration. what will happen to the cell over time

What are the roles of the nervous muscular circulatory and respiratory systems in heat regulation?

Which cell structures are seen in all cell types? Check all that apply. - DNA - cytoplasm - nucleus - ribosomes - cell membrane