một hợp chất chỉ gồm nguyên tố cacbon và nguyên tố oxi, biết nguyên tố cacbon chiếm 3/11 tổng khối lượng toàn phân tử. Tìm công thức hóa học của hợp chất trên

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

explanation:

the answer is minerals.