Refer to the above model. What processes are occurring along arrows D and E to turn both sedimentary rocks and igneous rocks into metamorphic rocks? A. melting and cooling

B. erosion and deposition

C. high temperatures and cementation

D. extreme heat and pressure

What is the missing step in this proof ?

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?

I’m still confused on how to work the percentages