Answer:
The function of B cells is to make antibodies against antigens
Explanation:
Answer: Water and Carbon Dioxide
Explanation:
Plants use a process called photosynthesis to make food. During photosynthesis, plants trap light energy with their leaves. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose. Glucose is used by plants for energy and to make other substances like cellulose and starch.
Answer:
1 all of the above.
2 fire and land slide.
3 forest fire or all of the above.
I don't feel like going in detail but u could talk about the Doppler effect and universe expansion. Basically how astronomers observed that light from distant objects in universe is redshifted which tells us that objects are moving away from us
Answer:
b.
Explanation:
because the occur will mostly cross