Chapter 3

अब Quizwiz के साथ अपने होमवर्क और परीक्षाओं को एस करें!

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


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