Answer:
Purchase of a car
Explanation:
I found it on another question in brainly I think it contains other answers. If your stuck on the other questions I think you might find them here.
brainly.com/question/9588704
Answer:
What is the electron configuration of sulfur in the ground state?
Therefore the sulfur electron configuration will be 1s22s22p63s23p4. The configuration notation provides an easy way for scientists to write and communicate how electrons are arranged around the nucleus of an atom. This makes it easier to understand and predict how atoms will interact to form chemical bonds.
It’s B) Research database
Answer:
Fossils helped teach scientist by giving information of the species that lived back then.
Explanation:
The fossils have clues on them help identify what they are.
1) Physical; It is a natural occurring change
2) Chemical; This change requires non natural method in order to occur
8) Physical; Iron is bound to rust in effect of weather erosion
23) Physical; Salt and water naturally separate
