Answer:
9
Explanation:
any number squared is multiplied by itself. even if the number is negative, you would be multiplying two negatives which is always a positive number. therefore, negative 3 squared, or negative 3 times negative 3, is a positive 9
Answer:
its all of the above, check if im right!
The physical characteristics of influenza viruses are that they are single-stranded, RNA viruses enclosed in a helical nucleocapsid. On the outside, these viruses are enveloped. Two important proteins are found on surface of this envelope: hemagglutinin and neurominidase.
Both flossing and brushing, of the teeth, are going to help one maintain strong teeth and healthy gums.
