How does the Big Bang theory explain the origin of the universe? The best-supported theory of our universe’s origin centers on an event known as the big bang. This theory was born of the observation that other galaxies are moving away from our own at great speed in all directions, as if they had all […]
What is the frustration-aggression hypothesis quizlet?
What is the frustration-aggression hypothesis quizlet? The frustration-aggression hypothesis states that when people are frustrated, they experience a drive to be aggressive towards the object of their frustration. However, because it is often impossible or inappropriate to behave aggressively towards the source of frustration any attempt to be aggressive is inhibited. What is the basic […]
Who participated in the Freedom Rides of the 1960s?
Who participated in the Freedom Rides of the 1960s? Freedom Riders were groups of white and African American civil rights activists who participated in Freedom Rides, bus trips through the American South in 1961 to protest segregated bus terminals. What was the name of the student leader of the Freedom Rides? Inspired by the Freedom […]
How are control experiments used in testing hypotheses?
How are control experiments used in testing hypotheses? When possible, scientists test their hypotheses using controlled experiments. A controlled experiment is a scientific test done under controlled conditions, meaning that just one (or a few) factors are changed at a time, while all others are kept constant. Why is it important to repeat experiments and […]
Which rock is formed by the alteration of pre existing rock deep within Earth?
Which rock is formed by the alteration of pre existing rock deep within Earth? Metamorphic rocks What happens when a rock is exposed to energy from the sun? Over many thousands of years, energy from the Sun moves the wind and water at the Earth’s surface with enough force to break rocks apart into sand […]
What is the difference between a pictograph and an Ideograph?
What is the difference between a pictograph and an Ideograph? A pictogram is a symbol that conveys meaning through its resemblance to a physical object. Ideograms are graphical symbols that represent an idea or concept. Good examples of ideogram are the red circle that means “not allowed”, or the orange or yellow triangle that means […]
What is the difference between continental drift theory and plate tectonic theory?
What is the difference between continental drift theory and plate tectonic theory? The difference between continental drift and plate tectonics is that the theory of continental drift states that the world was made up of a single continent. The theory of plate-tectonics, on the other hand, states that earth’s surface is broken into numbers of […]
How did the Islamic caliphates gain consolidate and maintain power?
How did the Islamic caliphates gain consolidate and maintain power? After over one hundred years of rapid growth, the Islamic caliphates ruled by the Umayyad Dynasty (661-750) and the Abbasid Dynasty (750-1258) consolidated and maintained Muslim power by organizing their governments and creating long-lasting political institutions. How did Islamic caliphates gain power? Islam spread through […]
Who were the main supporters of ratification of the Constitution quizlet?
Who were the main supporters of ratification of the Constitution quizlet? Supporters of the Constitution that were led by Alexander Hamilton and John Adams. They firmly believed the national government should be strong. Who were the main advocates for ratification of the Constitution? The Federalists They supported the Constitution, and attempted to convince the States […]
What is a lumber exporting country?
What is a lumber exporting country? At 2.2%, Canada’s export mix is much more reliant on wood products than China, the U.S. or Germany. Finland has the highest reliance on wood exports, at 3.8% of their total exports….Leading global wood product exporters. Country China Value (C$ billion) 12.3 Wood share of country exports 0.6% Largest […]