By weight, what element is MOST common in petroleum? | ICStudy

Question Test Premium News Answer Course Wish Board

Single Choice

By weight, what element is MOST common in petroleum?

A.

Carbon

B.

Hydrogen

C.

Oxygen

D.

Nitrogen

上一题

[单选题] Which of the following activities best describes the practice of science as inquiry?

下一题

[问答题] Ninety-nine percent of the atmosphere is composed of what two gases?

题目信息

Normal MiddleSchool

-

正确率

0

评论

0

点击

Favorite Favorite

Mistake Journey Mistake Journey

My Notes

Logon to Add Notes