2.
Which statement is NOT true about all forms of radiation?

1. All objects absorb radiant energy.
2. All objects emit radiant energy.
3. It can travel through empty space.
4. Radiation always causes illness.
5. It is the movement of heat by electromagnetic waves.

Which entry is in the wrong position in the table?

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?

Which if the following best describes why invertebrates isn’t considered a scientifically valid word when classifying animals