An investigator can collect hairs they observe visually (with tweezers or by hand), and they can also use clear tape to lift non-visible hair from a variety of surfaces, such as clothing. Other methods of hair sample collection include combing and clipping methods.
Answer:
D
Explanation:I alredy know this i am in 7th gread
Answer:
About 110 g.
Your tool of choice here will be the solubility graph for potassium nitrate, KNO3, in water.
Answer:
B
Explanation:
the energy of two separate hydrogen atoms decreases as they approach each other, and the single electrons on each atom are shared to form a covalent bond.
Hey there Abigaildonaimor,
A cyclist rode at an average speed of 10mph for 15 miles. How long was the ride?
Answer:
Time = Distance / Rate
= 15 miles / 10mph
= 1.5 hours
Hope this helps :D
<em>~Natasha♥</em>
