Learning words for toddlers is difficult because they have yet to learn how to move their “lips, tongue, and jaw” to make speech sounds.
The second point seems intuitive but there is a surprising lack of evidence showing that the increase in muscle size contributes to an increase in voluntary strength. If individuals increased both muscle size and strength, the conclusion is often that muscle growth played a role.
Answer:
d
Explanation:
because if you put half the amount of nicotine per cigarette they will still want to buy 2 the amount of cigarettes.
