Natural gas is primarily .
A.ethane
B.propane
C.methane
D.--
- · 有4位网友选择 C,占比44.44%
- · 有3位网友选择 D,占比33.33%
- · 有1位网友选择 B,占比11.11%
- · 有1位网友选择 A,占比11.11%
A.ethane
B.propane
C.methane
D.--
A、decline
B、increase
C、decrease
D、stimulate
A、Convert potential energy into electric energy;
B、Convert electric energy into potential energy;
C、Convert water energy into electric energy.
D、--
A、Attracting strong nuclear force
B、Repulsive strong nuclear force
C、Attracting weak nuclear force
D、--
A、much stronger
B、equal
C、much weaker
D、--
A、Carbon-14
B、Bismuth-120
C、Polonium-214
D、--
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