Answer:
The 5 chemical changes are. 1) Tarnish, 2) Rust, 3) Dissolve, 4) Burn, 5) Bake.
Double replacement.
Ba(OH)2 + H2SO4 ====> 2H2O + BaSO4
Sn=2
C and O=6
Im pretty confident yet I forgot a bit.
Supplementary angles add up to 180, so
6x+60+90 = 180 and solve for x
6x= 30
x=5
Butterflies are cold-blooded and need the light from the sun to warm the muscles they use to fly. Not only do butterflies like the sun, the plants the they thrive on need full direct sun. Most plants need at least 8 hours of sunlight to bloom properly and provide enough nectar.
