Answer:hydrogen atomic no and mass no is 1. In hydrogen there is one electron ,one proton and zero neutron.
Explanation:
Neutron is zero because neutron
Nnumber =atomic no - mass no so 1-1=0.
Nowadays, different countries are constantly emerging and
expanding their liabilities which may include the field of medicine. The
disease that is being discussed by the instructor that is considered nearly
eradicated is probably the measles. This disease is caused by Paramyxovirus which
is a major respiratory pathogen among infants and young children. Measles is
also known as “rubeola virus”, an acute, highly respiratory symptoms and a
maculopapular rash that affects the mouth, head, body and extremities. It
begins with the appearance of Koplik spots which may end up to some
complications like symptomatic encephalitis and subacute sclerosing
panencephalitis(SSPE). In order to prevent this type of disease MMR(Measles, Mumps
& Rubella) Vaccine is needed. According to some of the reports, it is still
common to some of the countries, but WHO campaigns to eradicate the disease worldwide
by the year 2020.
Answer:
It's groundwater becomes contaminated.
Explanation:
More than 94% of the coal ash ponds in the United States are unlined. Almost all of them are contaminating groundwater with toxins above levels that the U.S. Environmental Protection Agency deems safe for drinking water.
sorry if it dosn't help i had a bad day ;-;