Answer:
1 is a risk 3 is a benifit!
Explanation:
Hope this is right and helps
It would have 20 protons, 20 neutrons, and 20 electrons. Protons and electrons are USUALLY (I say usually because of the different types of atoms) the same as the atomic number. To find neutrons you take the atomic mass minus the atomic number. 40-20=20
Answer:
tissue in body
Explanation:
they are tissues in the body
• Which disinfectant kills the most bacteria
• How much bacteria is transfered to your hand when you touch a tap, door, etc.
• Who has more bacteria, males or females
