2. Smartphone is one of the most important means of communication today. But it has also become a nuisance
for some. Write an article on the same in around 120
words. You are sneh/sneha of class x. You may take the
help from the following inputs.
Important means of communication - connects a person
socially - keeps people updated, has become a virtual
companion - many disadvantages - disrupts peace of mind -
a constant source of disturbance -excessive usage leads to mental health disorder-cause of deadly accidents on road-
biggest distraction for students - should be used wisely -
use to be minimize.​

significant amounts of nitrogen oxides, carbon monoxide, and other pollution

explanation:

passenger vehicles are a major pollution contributor, producing significant amounts of nitrogen oxides, carbon monoxide, and other pollution. in 2013, transportation contributed more than half of the carbon monoxide and nitrogen oxides, and almost a quarter of the hydrocarbons emitted into our air.

the correct answer is ( hypoglycemia ); good luck

explanation:

the answers are as following:

1. c. double helix, nucleosome, coil, supercoil, chromosome

2. b. g2 phase, preparation for mitosis

3. d. interphase consists of the g1, s, and g2 phases

4. c. metaphase

5. a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set