“A” white blood cells. They are the first line of defense against pathogens. They help protect your body and help the pathogens to not spread.
I hope this helps!
~kaikers
Answer:
wire A is longer and thinner then wire B.
Explanation:
only eukaryotes can perform cellular respiration. More specifically, the two types of organisms that can do this are autotrophs and heterotrophs.
Examples of heterotrophs: animals, fungi, the majority of bacteria, ...
Examples of autotrophs: grass, algae, a few bacteria, ...
<span>a pure substance that can be separated into different elements by chemical means</span>