Chapter 3
The first law of thermodynamics states that_________.
Although energy can be transformed from one form to another, it cannot be created or destroyed in normal chemical reactions
What is the basic subunit of elements?
Atoms
Most organic compounds are made up of ______.
Carbon, hydrogen, and oxygen atoms
What is something that you use almost every day that is a polymer?
Plastic
The energy of light is called electromagnetic radiation. In the electromagnetic spectrum, photosynthesis makes use of which specific wavelengths?
Visible light
Cells and tissues of all organisms are made primarily of ________.
Water
The most essential compound needed to sustain life as we know it is ______.
Water
Which is the most important molecule in the ecosystem?
Water
The most basic source of immediate energy for most organism is _______.
Glucose
Natural gas is primarily composed of _______.
Methane
