Answer:
hydrogen bond
Explanation:
by weak electrical attraction between two polar molecule hydrogen bond is developed between them
the example is water molecule in case of water two water molecules are attracted toward each other by strong hydrogen bond which is developed between highly electronegative oxygen of one water and electropositive hydrogen of another water molecule
Answer: C
. They should map out a grid to systematically look for evidence.
Explanation:
As a crime has been committed, the investigators do not need a search warrant so there is no need to ask a Judge for one so option A is incorrect.
It is best if evidence is searched for in different locations not just the primary scene so option B is incorrect.
Setting up a grip to enable the systematic analysis of evidence is their most likely course of action so option C is correct.
Even if the case is not complicated, evidence still needs to be searched for so option D is wrong.
Answer:
D
Explanation:
most of the world’s dirty water is cleaned by humans using various methods
Carbon
Carbon is a part of rocks and fossil fuels like oil, coal, and natural gas etc...
Atoms are grouped together by their number of valence electrons