Questions

We know a proverb that An apple a day keeps the doctor away. To keep the doctor away from her, he gave seven apples, each apple a day.

From the aboe given options, only extreme and unexplained tiredness is the symptom of AIDS.

The other symptoms of AIDS include: recurring fever, thrush — a thick, whitish coating of the tongue or mouth that's caused by a yeast infection and sometimes accompanied by a sore throat, diarrhea that lasts more than a week, headaches, lightheadedness, and/or dizziness.

Molecular compounds are those with covalent bonds between the elements and those elements are typically non metals.

Here in the given options, Ar is an element. NaI has an ionic bond. Hence, N2O4 has a covalent bond between the two non metals and is a molecular compound.

The longest venomous snake The King Cobra is the only snake that build nests for its eggs.

Decomposers are organisms that break down dead or decaying organisms, and in doing so, they carry out the natural process of decomposition.

The statement "Decomposers are those organisms that recycle matter in the ecosystem" describes decomposers.