The answer is A. Mixtures can be separated by physical means
A pure substance cannot be separated.
The quality or state of being volcanic.
The correct answer is C. An example of measurement bias in scientific
measurement, of the available answers, would be a balance that always
reads 0.1g. The other possible answers are all examples of devices or
measurement techniques that would help a scientist to avoid measurement
bias, rather than contributing to it.
Answer:
!atoms in the nitrogen family.. have 5 valence electrons. They tend to share electrons when they bond. Other elements in this family are phosphorus, arsenic, antimony, and bismuth.
Milk is colloid while soil and water is a heterogeneous mixture and is a suspension mixture.
