The answer to this question is b
The answer is 21 months.
At just a little short of 2 years, you can expect a normal and healthy toddler to utter their first multi-word sentence.
For female toddlers, it might be a bit earlier but generally, 21 months is the average time.
If a toddler speaks a bit later, e.g. more than 48 months, it is recommended to go to a pediatrician for a quick check up.
Answer:
true
Explanation:
its a natural rock that typically contains metals and found in the earth's crust