Blue litmus paper turns red in the presence of an acid. Therefore, it can be assumed that the substance in the beaker is an acid.
Acids have a pH level of less than 7. Consequently, it can be assumed that the substance has a pH level less than 7.
Answer:
5×-10^8
That is the the scintific notation for 0.00000005
Answer=5×-10^8
They have less or more neutrons. Isotopes have same number of protons but different number of neutrons.
Answer:
D
Explanation:
It occurs when the outermost electrons are permanently transferred to another atom.
Your answer is D predator population will increase greatly. That's because if there's more prey there will be more food and its good for the predators to produce more because they don't got to worry about food. Speaking how they preys population grew.
So your answer is D.