Answer: A) 1 Explanation: While using punctuations, only one space is used.

Answer: A) TRUE Explanation: Carcinomas are cancers that begin in tissues lining the inner or outer surfaces of the body where the DNA of the cells become damaged. Lung cancer and one type of skin cancer (squamous-cell carcinoma) are carcinomas.   Hence, the given statement is TRUE.

Answer: B) Heterogeneous Explanation: Blood is a heterogeneous mixture because the blood cells are physically separate from the blood plasma. The cells have different properties than the plasma. The cells can be separated from the plasma by centrifuging, which is a physical change.

It is said by Lord Polonius. It means do not lend or borrow money from a friend, because if you do so, you will lose both your friend and your money. If you lend, he will avoid paying back, and if you borrow you will fall out of your savings, as you turn into a spendthrift, and face humiliation.

Answer: B) the formation of labor unions Explanation: Samuel Gompers was a leading proponent of workers' rights. He was the first president of the American Federation of Labor, an organization that represented skilled workers from many different industries. Gompers advocated using collective bargaining or negotiations and strikes to gain greater rights for workers.

Answer: B) divides a state into separate counties with their own leaders. Explanation: Incorporation is a legal process that enables the formation of a local government and divides a state into separate counties with their own leaders.   The different counties become self governing entities under the laws of the state in which they fall and are given the authority to function as independent units but within the jurisdiction of the state laws.

Answer: D) All of the above Explanation:

Answer: D) Uttar Pradesh Explanation: Uttar Pradesh is the Indian state which share the most borders with 9 different states.   Neighbouring States of Uttar Pradesh – Uttarakhand and Himachal Pradesh in northwest, Delhi, Haryana and Rajasthan in west, Madhya Pradesh in south, Chhattisgarh in southeast, Bihar and Jharkhand in east.