<span>They keep the same form no matter what tense is used.
</span>
If im not mistaken about like three orr four
yea its four cuz its hard to exaplin lol
Allene (1,2-propadiene) has point group D2d, itself is achiral because it has two planes of symmetry. ... An allene with substituents on one terminal carbon atom are unlike and substituent on other terminal carbon atoms are same, allene will be achiral. It will have one symmetry plane.
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Answer:A,D
Explanation:
Option a:
Sodium has charge 
Hydroxide has charge
.
So,sodium hydroxide is balanced.
Option b:
Magnesium has charge 
Two sulphates has a charge of
.
So,magnesium sulphate is not balanced.
Option c:
Magnesium has charge 
Two hydroxides have a charge of
.
So,magnesium hydroxide is balanced.
Option d:
Sodium has charge 
Sulphate has charge
.
So,sodium sulphate is not balanced.
Answer:The trace examiner may also be able to help investigators determine a possible ... help the investigator find possible suspects and other areas in which a crime took place. The Utah Bureau of Forensic Services offers analysis in Paint, Fibers, Fire ... Dried paint is usually a combination of organic and inorganic materials and ...
Explanation: