A is the answer for apex!!
Periodic table is a tabular array of the chemical elements organised by atomic number
Answer:
1. Becase it was collapsing from the inside.
Explanation:
Answer: Effective but not efficient
Explanation:
Something is effective if it can help achieve a specific goal, delivering the expected outcome, while something is efficient when it provides the best possible outcome with the least waste of resources.
Something can be effective but not efficient.
Mary´s work is effective because it delivers the best cakes, but inefficient since three cakes get wasted.