Drinking alcohol during pregnancy can indeed cause severe damage to an developing embryo. This is completely true. This is also the reason why pregnant women should avoid drinking alcohol and why it's not good to do so for them.
C, this is due to the fact the question is asking about the proper use of technology and use behind the wheel is clearly poor usage of tech.
Why? -- Proof, why and how does the alternative and complementary medicine work in terms of current understanding of medicine/anatomy/science
advantages to skepticism, reduction of people getting conned into paying into a false medical treatment
disadvantage to skepticism, the particular alternative treatment may actually work however the exact mechanism is not yet known and may be dismissed as psuedo-science
The Answer is A.The biceps muscle contracts while the triceps muscle relaxes. Only then can the forearm move up to lift the mug.