Ocean currents are caused by many things. One of the main cause is the wind direction. Another cause would be density differences that is made of the temperature and the salinity of water and also currents can also be caused by events like earthquakes causing tsunamis.
Emphasis made of finding cost effective ways to reduce air pollution.
Sleeping but I don’t know if you have any multiple choice answers
1 Viruses are not alive, bacteria are.
<span>2 Viruses must replicate in a host cell; bacteria can replicate on their own </span>
<span>3 Viruses are much smaller </span>
<span>4 Viruses have a protein layer called caspid </span>
<span>5 Viruses cannot be killed with antibiotics; bacteria can be. (If you have a virus that makes you sick, you can only treat the symptoms, not the actual bug itself)</span>
