That instrument is a Xylophone
I think it’s the last one
A psychologist.
The root word they both share is psych. By adding ology on the end it will be the study of, which is the word above. To find someone who studies it, we would simply add ologist after the root word, because ologist means someone who studies.
The answer would be only one parent needed. You need less resources for asexual reproduction.
The father's presence at child's birth is a way of reducing the likelihood of birth complications as he is there to provide support to his partner in a way that the mother of the baby will be assured and in a way that the father has accepted his role of being the father of the baby.
