1. Answe a. What is the difference
models of Thomson and Rutherford?
b. What is meant by valency of an element?
What is the relationship between the
number of valence electron and valency?
c. What is meant by atomic mass
number ? Explain how the atomic
number and mass number of carbon are
6.
6 and 12 respectively
d. What is meant by subatomic
particle? Give brief information of three
subatomic particles with reference to
electrical charge, mass and location.
Give scientifi​

answer: the answer is d.

explanation: this is because when you exercise you make your muscle produce a certain liquid, that does not evaporate it.   also when you exercise you do not reduce muscle fiber.   and it does not really control your twitch that much.

answer:

there is no cure for hiv, although antiretroviral treatment can control the virus, meaning that people with hiv can live long and healthy lives. most research is looking for a functional cure where hiv is reduced to undetectable and harmless levels in the body permanently, but some residual virus may remain. most commonly hiv-antivirals are taken also known as nucleoside/nucleotide reverse transcriptase inhibitors (nrti's).