Select the correct coefficient ratio that balances the following chemical equation P4 + 02 ---> P205
A-1:4 --> 1
C-2:1 - 2
C-1:5 -> 2
D-8:8->1

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

How many types of rock can form from the rock cycle

Diagram of the evolution of land plants?