Answer:
Explanation:
Based on the record that the male attacks the red object, the conclusion that can be made is that they recognize when the other sticklebacks are female or male thanks to their red belly and when they have to attack the other to the death, this is part of the natural selection where animals compete to simply reproduce with the female.
Answer:
a. The Decimal System
Explanation:
The Decimal System, is one of the great mathematical innovation form ancient India. There is no clear date and place about the invention the decimal system.
It was first recorded in India, then spread to Islamic world, and further to Europe. Decimal system gave a unique turn to the world of mathematics and made the counting or measurement easy.
Hence, the correct answer is "a. The Decimal System".
Answer:
The response is Option D. New grain crops developed in the Green Revolution is NOT something that contributed to worldwide population growth at that time.
Explanation:
The Green Revolution refers to a push towards technological advancement and agriculturally engineered outputs like high-yielding varieties and crops in the 1950s and 1960s. It was particularly impactful in developing countries where there had yet to be much industrialization or mechanization of food production. Advances in irrigation and the use of chemical fertilizers also helped to increase food production in these areas in the 1950s and 1960s. Research institutes studying specific staple crops were established like the International Rice Research Institute (IRRI) in the Philippines in 1960.
Long wars take more effect onto our economy. Supporting our troops across sea, getting them food, ammo and any other supplies. Long periods of time is going to take even more supplies. It is also keeping our men and women away longer giving them more chance of getting injured.