Knowledge of the functioning of cells and DNA has led to the creation of new life in laboratories. What is an example of an ethical question this raises? a) Why are cells and DNA important to study?
b) How do cells create new life?
c) How many cells do humans have?
Is it wrong to change or control life forms?

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.