Answer:
Explanation:If you collect a jar of water from a stream,the sand,gravels,pebels (bed load)will settle down the bottom of the jar with time.
Suspended load (fine sand,and salt) will remain in the sample indefinitely
Dissolved load (mineral matters )will not be seen.
The heat needed for a chemical reaction to take place is called activation energy. The correct answer is b. Activation energy is also referred to as the minimum amount of energy needed to jump start a chemical reaction. A reaction requiring a large amount of energy to be triggered is said to have a high activation energy while a smaller amount is said to have low activation energy.
Answer: The correct answer is : A. The creation of city-states led to the beginnings of the Agricultural Revolution.
Explanation: The first area that experienced a complete Agricultural Revolution was Southwest Asia since Mesopotamia. There were an extraordinary variety of wild plants and animals capable of domestication provided a rich array of species on which the now largely settled gathering and hunting people could draw. Mesopotamia was not only one of the first places to develop agriculture, but it was also at the crossroads of the Egyptian civilizations and the Indus Valley.
Answer:
The answer is C. Electronic parts.
Explanation:
Texas is the second-largest producer of Wind energy. Which is a form of solar energy. Wind energy is described as the process by which wind is used to generate electricity.
A generator can convert mechanical power into electricity. Which is part of electronics.