Which statement about lightning is true?
a. it is one of the most dangerous parts of a thunderstorm.
b. it is an electric discharge between two similarly charged surfaces.
c. it is caused by the rapid expansion of air along an electrical strike.
d. it always begins in a cloud and strikes the earth.

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

Explain how organisms could be harmed by high levels of salt from roadways?

The fascicles of the deltoid are ; the fascicles of the pectoralis parallel; bipennate fusiform; unipennate multipennate; triangular bipennate; fusiform