Answer:
Leucocytes
Explanation:
Also known as white blood cells.
The question already indicated that the right answer is. I wonder why it's still posted.
Answer:
crude oil (petroleum) is the only natural liquid fossil fuel
If you used a full active virus, that defeats the point of a vaccine. You will trigger your immune response, but since you would just be injecting the virus, it will make you sick, and your body will be less effective at fighting the pathogens.
Viruses in vaccines are weakened, so they essentially will not "fight" back. They most importantly just contains the antigen markers so the body can trigger the immune response, quickly eradicate the pathogen, and build up the memory cells to that virus.
Injecting a virus that is not weak will just be the same thing as if you got the virus, you will likely get sick.
Answer:
Left side under SUN: CO2, H2O
Middle ones, going top to bottom: 6CO2 + 6H2O → C6H12O6+ 6O, chloroplast, To make energy for the plant to use and grow
Right side next to products: Oxygen and Glucose
Explanation:
This is photosynthesis.
