Calculate the mass of water formed when 4g of methane is burnt in excess oxygen​

In a scientific experiment, a is any factor that can be changed or be changed

What is the name of the ocean current that affects the british isles? how does it influence their climate?

Rectangle qrst is shown. angle qrt is congruent to angle str, and angle str is complementary to angle qtr. which statement is true about angles qrt and qtr? they are congruent. they are complementary. they are supplementary. they are right angle