3. Why are there gaps in concrete roads?
a)to allow for contraction
b)cheaper
c)to allow for expansion
d)it makes it easier to repair one section of the road
2 b
3 d
you are welcome for that
structure
connection types;
The characteristics of carbon compounds are they exist with different structures in which the atoms are arranged differently and it forms more compounds than other elements combined.
Explanation:
The carbon atom has atomic number 6 which represents the number of electrons. It is represented by C and it is a non- metal. It has 6 protons, 6 neutrons, and 6 electrons. They are smaller in size so that it can fit in to larger molecules.
It is the only element that can form different compounds because each carbon atoms can form four chemical bonds to other atoms.
The structure of carbon atom is represented with its atomic number 6. The first two electrons are present in inner shell and the remaining four are present in the second shell.
The carbon combines with oxygen, hydrogen, and nitrogen to form many molecules for cellular function. Carbon and hydrogen combine to form hydrocarbon chains and rings.
For example the structural formula for Methane (CH4)
Organism
Cells
Ecosystems
Other:
Answer:
it's b:organism
Explanation:
Answer:
A squirrel and an oak tree are both examples of individual organisms
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1st letter M 4th letter F 7th letter E
looks like this:
M_ _F_ _E