Methane burns in oxygen to produce carbon dioxide and water. which of the following represents a preliminary, unbalanced equation with the correct chemical formulas?
1. ch4 + o2 → co2 + h2o
2.ch4 + co2 → o2 + h2o
3.co2 + h2o → ch4 + o2
4.ch4 → o2 + co2 + h2o

Which of these is the result of scientific research and not engineering? a. a new shoe design that features air cushioning for more comfort and protection b. the creation of glass with uv protection. c. a conclusion about diet commonalities among diabetics. d. the development of a smaller, more compact missile.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

What material does not melt at any temperature