Answer:
During ice ages, the most characteristic change to the planet has been the formation and spread large ice sheets and glaciers across much the Northern Hemisphere.
I believe it's helium at 0.49 A
Answer:
Among the very basic principles that guide scientists, as well as many other scholars, are those expressed as respect for the integrity of knowledge, collegiality, honesty, objectivity, and openness.
Explanation:
Principles are ideas based on scientific rules and laws that are generally accepted by scientists. They are fundamental truths that are the foundation for other studies. ... They are more like guiding ideas that scientists use to make predictions and develop new laws.
Answer:
electrons are located outside of the atoms nucleus
