Answer:
Robert
Explanation:
There is not more than one colour
Orbital
All atoms have the same number of electrons as protons. Negative electrons are attracted to the positive nucleus. This force of attraction keeps electrons constantly moving around the nucleus. The region where an electron is most likely to be found is called an orbital.
Here you go :)
Answer:
C
Explanation:
The answer is C because machines such as tractors and sprinklers are counted as technology, and are better examples than pesticides.
Burning of oil,gases and coal are the antropogenic source of co2
Answer:
The 3rd choice
Explanation:
A strong acid ionises COMPLETELY in water to produce high concentration of hydrogen ions
A weak acid ionises PARTIALLY in water to produce low concentration of hydrogen ions
