You have a series of four chemical reactions (1-> 2-> 3-> 4). how do you calculate the triangleh2 if you know the other triangleh values?

a. triangle h2= triangleh1 + triangleh3 -triangleh4

b. triangle h2= triangleh1 + triangleh3 + triangleh4

c. triangle h2= triangleh4 - (triangleh1 + triangleh3)

d. triangle h2= (triangleh1)(triangleh3)(triangleh4 )

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature

How is the shape of the poem “peer” connected to its meaning?