Biology and geology are two very different sciences, but biologists and geologists use scientific knowledge in the same way. these scientists both use scientific knowledge to
a. answer questions and solve problems affecting the natural world.
b. investigate the chemical composition of the earth’s different layers.
c. observe and classify living organisms into groups.
d. explain the rituals and traditions of human cultures.

Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation