He can expect the first word when the baby is around <span> 12 months old
In order to say a word, an infant need to gain enough cognitive ability to be able to connect a certain word with the meaning that associated with the word.
In most cases,the first word would be associated with something that they see most often (mama or papa)</span>
A chopper an odd shaped rock that was used to cut things.
The correct answer is - lumber.
The lumber is both renewable and inexpensive resource, and it also can be found in every continent, apart from Antarctica. Still, the usage of lumber has to be managed carefully and with nice planning, because so far, the usage of lumber is surpassing the trees being planted to replace them, and that led to the total destruction of lots of forests throughout the world. This is a very easy thing to do, so the authorities have to force the companies in this industry to replant the areas from where the trees are cut, thus to have a proper usage of it, stable reserves, and protect the environment.
Answer:
A testable proposition or prediction is a <u>hypothesis</u>; while an explanation using an integrated set of principles that organizes observations and predicts behaviors or events is a <u>theory</u>.
Explanation:
The hypothesis is a proposition that establishes a relationship between the facts: a hypothesis is the establishment of a link between the facts that the researcher clarifies to the extent that he can generate logical explanations of why this link occurs.A theory is a set of interrelated structures (concepts, definitions and propositions) that present a systematic perspective of the phenomena specifying the relationships. It is the main objective of science, it is a combination that is projected in a systematic perspective of the phenomena in order to describe, explain, predict and control the phenomena.