Answer:
The correct answer is B
The further inside the earth, to hotter it gets. Then there's a solid inner core made of iron/nickel-alloy and light elements.
Explanation:
Answer:
The Answer Is Letter D
Explanation:
It was used to make everything! The ancient Egyptians used papyrus to make paper, baskets, sandals, mats, rope, blankets, tables, chairs, mattresses, medicine, perfume, food, and clothes. Truly, papyrus was an important "gift of the Nile". They even tried to make boats out of papyrus, but that did not work very well.
Answer: (e) peer review
Explanation:
Peer review is the evaluation of an author's work by a group of experts, scholars, and professionals within the same field so as to check the authenticity, validity, and quality of such work, and also determine if it is worthy of publication. Such review also helps to determine if a work would be accepted or not.
Subjecting a work to peer review helps to maintain the quality of research work carried out as this comes with placing restrictions on work which do not meet the required standard or have inaccurate or false claims.
Hello !
Answer:
According to Jean Piaget, the developmental stage during which people acquire the ability to think abstractly is called the formal operational stage.
There's more than three reasons as to why some scientists think humankind originated in the African continent, some of them are:
- The closest relative to the humans, genetically speaking, is leaving in Africa, that's the chimpanzee.
- The oldest archeological findings of the transitional species of hominid, the Australopithecus, are found in Africa.
- The natural conditions for the needed evolutionary pressure were right in order for the development of the hominids.
