HELP An organism has 19 chromosomes in its sex cells. How many chromosomes does it have in its body cells? Explain.

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o

What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?