Answer:
Cardiac muscle cells must obey the all-or-none law of contraction
This statement is correct. true.
Answer:
c. A cigarette maker diversifying into packaged food.
Explanation:
There are two types of diversifications: related an unrelated. We talk about unrelated diversification when some industry or business gets into new markets by manufacturing products which are new and have no relation with it. In this example, cigarettes have nothing to do with packaged food, so diversification is classified as unrelated.
What grade is this? 6TH 7TH OR 8TH?