Methane gas is burned to provide heat. the chemical reaction for this process is shown in the equation below. ch4 + 2o2 co2 + 2h2o + energy what are the products in this chemical reaction? a. o2 + co2 + energy b. co2 + ch4 c. co2 + 2h2o + energy d. ch4 + 2o2

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

What is the problem in this article? what solution does the article propose?

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes