I would say a is “glucagon realeased” b is “body feels hungry” and c should be “eats a meal” that’s what i would put, this might not be true
Answer:
a. 30 cm³
b. 4.33 g/cm³
Explanation:
a Volume of the object = l*w*h
l = 5 cm
w = 2 cm
h = 3 cm
Volume of object = 5*2*3 = 30 cm³
b. Density of the object = mass of the object / its volume
Mass of object = 130 grams
Volume = 30 cm³
Density of the object = 
C. recycling
the rest are destroying the earth
Answer:Igneous rocks are made from cooling of lava or magma.
D. Proteins help control substances by making trans-membrane channels.