Answer:
negative
Explanation:
electrons have negative charges and elements are usually neutral. so if you add a negative, it will make the atom have a negative charge. think of it as a seesaw, in an atom there are 10 protons and 10 electrons, if an 11th electron friend joins, the seesaw will lean more towards the negative side now. :) hope i helped
Answer:
The correct answer is b. an operational definition.
Explanation:
An operational definition constitutes the set of procedures that describe the activities that an observer must carry out to receive sensory impressions, which indicate the existence of a theoretical concept to a greater or lesser degree. In this sense, it tries to clearly indicate how the variables are going to be manipulated or measured and also indicates that to measure a variable, it is necessary to carry out a series of activities or procedures. It is the one that builds or adapts from others, based on the observable characteristics of the phenomenon; indicating the concrete, empirical elements or indicators of the fact to be investigated.
How long does it take for bread to start getting mold on it?
The answer to the question stated above is surface area.
Coal dusts<span> are fine </span>powdered<span> form of </span>coal, which are formed by crushing, grinding, or pulverizing of coal. They can be created during mining<span>, transportation, or by mechanically handling coal because of its brittle nature.</span>
The surface area of the coal dust explains why it is explosive.
