Answer: False
Explanation: Solutions can never be Heterogenous
Answer:
Degrees Kelvin = Degrees Celsius + 273.15
Degrees Kelvin = -13 + 273.15
= 260.15
°
Explanation:
The answer is <span>B. element.
An element is composed of only one kind of atom and cannot be separated into simpler substances. Oxygen (O) is the element.
A compound is a substance composed </span><span>of two or more <em>different </em>atoms chemically bonded to one another, for example, water (H</span>₂<span>O) consists of 2 atoms of hydrogen (H) and 1 atom of oxygen (O), so it is the compound.
A mixture consists of two or more substances that are not chemically combined. Solutions and colloids are mixtures.</span>
Gases, unlike solids and liquids, have neither fixed volume nor shape. They are molded entirely by the container in which they are held.
Answer
Sounds travel slowest in gasses so it would be air