Answer:
Substances that conduct an electric current only under certain conditions are most likely to be METALLOIDS
Explanation:
Metalloids conducts electricity and allows the passage of electron which enhances their conductivity and make them suitable for it. Although this ability is only achieved when there is an increase in temperature in order to achieve this feat.
Answer:
the defenses are down
Explanation:
antibodies are actually quite necessary, they come from helper b cells to help fight infections, and even though helper t cells can fight, your body still needs antibodies hope i helped!
Here are the four postulates of natural selection. These are <span>features, differences in population members' ability to reproduce and survival of the fittest in terms of variability, heritability and reproduction. Hope this answers your question. Have a great day!</span>
Answer:
Humans get the energy and matter they need to survive from the food they eat. The foods humans eat contain carbohydrates, vitamins, and protein. All of those components are broken down by the human body with the aid of digestion.