Answer:
well for one you can find a lot for examples like if the light of a blazing hot sun was reflecting on a wooden stick the spot where the sun is reflecting would have a red mark with smoke comming out the stop
Answer:
A
Explanation:
science can answer only mathmatical questions
Biological structures like DNA, proteins and cells all depend on molecules. ... Neurotransmitters like epinephrine are pretty simple molecules, but without them our nervous system couldn't work. Oxygen, containing just two oxygen atoms, is a very simple molecule, and it is certainly essential to living things.
Answer:
the umbilical cord is connected to both the mother and the unborn child and so tranfers nutrients from the mothers blood to that of the baby's blood
