Answer:
d. eon, era, period, epoch
Explanation:
The geological time scale has been made so that the scientists can have a practical system about the classification of geological time, thus everything that has happened throughout it. The geological time unites have been defined in accordance with important events that have happened, thus marking their end or beginning. These events can be mass extinctions, catastrophes, climate patterns, domination of certain species etc. The longest of these time units is the eon, lasting for more than half a billion years, and up to 2 billion years. The era comes as the second longest time unit, lasting for several hundred million years. The period lasts for several tens of million years, and the epoch is the smallest unit, lasting for few million years, or several hundred thousand years.
by using rooting harmone roots develop quickly at cutting and and it become more robust than cuttings which don't receive rooting hormone. Cutting harmone is used mostly on ornamental plants in the landscape and to propagate succulents.
It cannot apply on whole plant since it will not mix with old one and a new catergory or plant will develop and it will distroy the originality of the actual plant
Animal rights are important because animals at living creatures just like humans.
A person would have to consider Harriet' s upbringing in that time and imagine all the wrong doing she has seen regarding her parents care; therefore, witnessing her own care as a slave as well. It's no wonder that eventually, one would desire they're own true freedom.