Answer:
Nitrogen is so vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (i.e., photosynthesis). It is also a major component of amino acids, the building blocks of proteins. Without proteins, plants wither and die.
Answer:
A germline mutation, or germinal mutation, is any detectable variation within germ cells (cells that, when fully developed, become sperm and ovum). Mutations in these cells are the only mutations that can be passed on to offspring, when either a mutated sperm or oocyte come together to form a zygote.
Explanation:
Women were expected to:
-be mothers and care for children
-cook for their families
-clean after their families
Men were expected to:
-work for financial security
-protect their families
Answer:
B
Explanation:
At 12 Tommy was walking at 4 mph, then at 12:30 he was walking at 6 mph. He went from 4 to 6 which on a graph would go up, therefore a positive acceleration
