A screw is a simple machine. How does it work

The gas most required for animal life to survive on Earth is nitrogen carbon dioxide oxygen water vapor

Low emissions zones have proved unpopular in parts of europe. why

Sophia is observing slides under a microscope while adjusting its mirror so that a circle of light can be seen. Which type of microscope is she using? electron microscope compound light microscope scanning electron microscope

Select each correct answer. More than one answer may be correct. Meiosis, which occurs during sexual reproduction, allows for a great variety of possible gene combinations. Which of the following can increase genetic variation during meiosis? A.

Energy possessed or transferred by machines is called: 1) potential energy 2) kinetic energy 3) mechanical energy

Personal alliances in the work place can be damaged by what

Carbon dioxide is stored in the bicarbonate ion with the reaction occurring both in the red blood cell and in the blood. the reaction occurs in the blood however without:

Why is injury to large areas of the skin dangerous?

Which of the following correctly describes seafloor spreading? A. New oceanic crust is formed at midocean ridges, pushed away from the ridge, and destroyed at deep-sea trenches. B.

How to arrange from smallest to biggest organ, organism, gene, nucleus, cells, tissue, chromosome, system?