Which of the following was demonstrated by the miller-urey experiment?
a. life arose spontaneously from inorganic molecules on early earth.
b. in the presence of an energy source, organic molecules can by synthesized from inorganic precursors
c. it is impossible for life to arise from inorganic molecules.
d. organic molecules can be formed from inorganic precursors, but only in the presence of molecular oxygen.
e. it is impossible to replicate conditions on early earth in a laboratory.

What kind of wound occurred when the skin scrapes against a hard surface and tiny blood vessels break in the outer layer of skin

George’s daughter was born with a hole in her heart. he met up with a group of individuals of questionable character who agreed to deliver to george a healthy heart that could be a transplant for his daughter for a sum of $20,000. the group george negotiated with failed to deliver the heart. george tried to sue when he did not receive the heart but was surprised when the courts would not enforce the agreement.can george force performance of this contract? why or why not? (10 points)will he be able to recover the $20,000 that he gave for the heart? why or why not? (10 points)

Which statement explains one way that coping strategies are ? they people make more friends. they allow people to avoid experiencing sadness. they allow people to address suicidal thoughts. they people get better grades at school.