I think the word you're looking for is "hypothesis".
For example, a hypothesis could be "dogs drink more often when owners are present".
And then this can be proven (or dis-proven) by an observation (or in this case rather: measurement).
This is called the Columbian Exchange: the exchange of species and populations between the Old and the New World, including some diseases, plants as tomato and potato and animals.
Answer:
Ancient Egypt was divided into two parts - Lower Egypt, a fertile area of the land mostly located in the delta of Nile river and Upper Egypt, in southern more mountainous area. Besides this part of Egypt was covered with desert and was uninhabited.
Explanation:
Ancient Egypt is one of the world's first civilizations that has developed in the fertile strip of land near the Nile river. That is why Nile was a source of life of Egyptians. Most of the people were living in this strip and narrow land which allowed different labors to develop. Mountainous part of Egypt wasn't inhabited that much, but was rich with different metals.
Answer:
What would I do? Well first I would star by scuba diving. Then I would go fishing, but the fish I am able to catch I would let them swim free. Something else I could do is swim with SHARKS. Finally what I would take awesome/cool and creative picture for my social media, and I can't forget to buy souvenir.
Explanation:
I believe the answer is: <span> it is a strong predictor of later aggression in adolescence and adulthood
Children who display constant physical aggression toward others generally experience some sort of problem in their home (they are either being ignored by their parents or they witness their parents do it and imitate them).
If this left unhandled, the aggression would become a habit as they grow up and make it much harder to be changed.</span>
