independent variable: how much bread is there
dependant variable: temperature, location, time, size.
hypothesis, the one with the bread will be way more moist than the one without.
control group: no bread at all.
experimental group: brownies with bread
constants: same tupperware, placement, time, size.
Hoped this helped!
Answer:
the answer is C) the iron will repel the substance because it has more electrons than protons
Answer:
10. Because they want to, and what they do is none of your buisness.
11. Firefighter-chemicals in fire-stopping have science.
Pharmacist-dealing with drugs and science was used to make them.
Chef-science involved in making food.-
Explanation:
Bruhh these were so easy do it yourself next time, it took me less than a minutte to do.
The correct ratio of the atoms of the two elements in the sample of copper chloride compound would be 1:2.
<h3>Atoms of elements</h3>
Copper chloride has a chemical formula, 
.
Thus, an atom of copper, Cu, combines with 2 atoms of chlorine, Cl.
The 2 chlorine atoms are recipients of an electron each from the copper atom which happens to have 2 electrons in its outermost valence shell.
Therefore, the ratio of copper to chlorine atoms in the compound is 1:2.
More on atoms of elements can be found here: brainly.com/question/15173445
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