All of the choices in some ways gave rise to the early civilizations. Mountains helped India to be protected from China, the ocean helped for food, the Sahara desert protected lower Africa from invasion for many centuries. Rivers also helped since they were a major trade routes and the most fertile soil. I think that the Rivers were the most important geographic feature. So the correct answer is C.
Rebecca tells Tom that he is singing “off pitch.” Rebecca is referring to Frequency of sound.
Frequency is measured as the number of wave cycles that occur in one second. It is defined as the speed of the vibration and this further determines the pitch of the sound. This is usually useful for musical sounds where there is a strong waveform.
The half colored half white circle indicates that the person is a carrier but doesn't have the disease. Since John has a capital H we can assume that if someone else has a capital H genotype then they don't have it. Every body but Fred and Luke have a capital H and their squares are fully colored meaning that they have hemophilia
The answer is Fred and Luke
Answer:
Reaction 1
Explanation:
Reaction 1 would be the most suitable in this case. This is so because in reference to the question you are wanting to keep the food warm over long periods. So in reference to the data in the chart reaction 1 continues to heat up over long periods of time. However, with the other reactions (2, 3, 4) temperatures vary and some even decrease constantly. Therefore showing that the other reactions are invalid to help reach your goal referencing back to the question.
