Answer:
Beryllium's atomic number is 4
Explanation:
<u>Reason</u>
- Beryllium has 4 protons, 4 neutrons, and 4 electrons.
- This makes it a nuetral atom meaning that it contains an equal amount of protons and electrons
- This means that beryllium has a atomic number of 4
<span> cell - A membrane bound structure that is the basic unit of life
</span>
Blood typing is a method to tell what type of blood you have. Blood typing is done so you can safely donate your blood or receive a blood transfusion. It is also done to see if you have a substance called Rh factor on the surface of your red blood cells.
<span>Controlled experiment is an experiment done under controlled conditions in which only one variable at a time is changed in order to isolate the results. An alternative to a controlled experiment would be a correlation study. A correlation study is a research method in which two variables are compared (what are the similarities and the difference between them). So, correlation study is a type of controlled experiment in which ove variable is changed and the dependence with another variable is analyzed.</span><span />
The cerebrum controls the higher brain functions such as speech, writing, etc. The cerebellum deals with the involuntary stuff. The other 2 are nowhere near what you are looking for. B - Cerebrum is your answer.