Who first introduced the idea that the sun was in the center of the universe A. Johannes Kepler B. Nicolaus Copernicus C. Albert Einstein D. Edwin Hubble

What are the four major elements that make up ~99% of our atmosphere?

Fish are not able to regulate their body temperature by producing heat. How could a fish adjust its body temperature if it were too warm? a. swimming into cooler water b. evaporating water from its skin c. expelling water from its body d.

Which sentence best describes the axis of rotation of Earth? A. The axis changes the direction of its tilt over time. B. The axis has a slight tilt. C. The axis tilts so that it is almost horizontal. D. The axis does not have a tilt

What industry uses most of the groundwater pumped every year

What are telescopes that detect electromagnetic waves?

What are two ways that scientists can study Earth's Climate history

How many photosystems can be found in a prokaryotic cell

How can scientists study ecology?

Which of the following marcolecules consist of long chains of amino acids?

How are pressure measurements related to weather prediction apex?