Complex molecules are made up of other elements bonded with carbon. Carbon is able to bond with other molecules so easily because it has four valence electrons.
Answer:
Washing hands daily and wear clean clothes.
Explanation:
Washing hands daily and wear clean clothes are the methods which prevent the spread of microorganisms and when exposed to microorganisms in the laboratory, we will have to use disinfectant in order to remove the microbes so that the solution or reactions are safe from the contamination. There are many methods such as sterilization as well as using chemicals is responsible for the removal of microorganisms.
Answer:
B
Explanation:
D is wrong as the compass point toward the geographic south
A is wrong as it can be detected either by permanent magnet or magnetic field of earth
C is not from properties of compass
