Answer:
1
Explanation:
Chemical changes causes a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.
Answer:
B. White Blood Cells
Explanation:
I missed the word <em>innate</em> for a sec there, but then I looked up whether stomach acid is part of the immune system at all and realized my mistake.
The <em>innate immune system</em> is the part of the immune system one is born with, and we're not born with white blood cells. Those build up over time as we are exposed to pathogens.
Have a great day!
Answer:
1. Body cells divide because of
a) growth: cells divide in order to grow and get larger
b) replace: almost millions of cells die each day. To replace those cells the body cells divide
c) reproduce: body cells divide in order to reproduce more cells
2. Mitosis: the type of cell division in which two daughter cells each having the same number and kind of chromosomes arise from a single parent cell.
3. Meiosis: the type of cell division that results in four daughter cells each with half number of chromosomes of parent cells as in the production of gametes(sex cells) and plant spores .
IT IS NOT POSSIBLE to produce malleable cast iron in pieces having large cross sectional dimension. This is because, iron has a very rapid cooling rate and it will not be possible to achieve this rate at different cross sectional areas in a sheet of iron.
