Answer:
All plants cells have chlorophyll so there is no problem
Answer:
A vaccine activates our immune system without making us sick. Many dangerous infectious diseases can be prevented in this simple and uncostful
drug .Vaccines have eliminated some of the most dangerous, fatal diseases in human history.
Answer:
what are the options?
may I get brainliest please?
There is no element with one valence electron and six energy levels. Only two valence electrons and six energy levels.
Answer:
Calcium
Explanation:
A: Calcium is a group 2 element with two valence electrons. Therefore, it is very reactive and gives up electrons in chemical reactions. It is likely to react with an element with six valence electrons that “wants” to gain two electrons. This would be an element in group 6, such as oxygen.
Ribosomes use amino acids to develop these proteins.
