Hey now try the derivation. I know the temptation is awesome to just put in the answer, now that you know it. But I trust you my friend ;-)
Fill in the blanks with the words given in the box.
how
what
when
where
which
(i) My friend lost his chemistry book. Now he doesn’t know _____________ to do and _____________ to look for it.
(ii) There are so many toys in the shops. Neena can’t decide ____________one to buy.
(iii) You don’t know the way to my school. Ask the policeman __________ to get there.
(iv) You should decide soon _______________ to start building your house.
(v) Do you know _____________ to ride a bicycle? I don’t remember ____________and _____________ I learnt it.
(vi) “You should know ________________ to talk and _____________ to keep your mouth shut,” the teacher advised Anil.
An astronaut calls his friend from the moon!
Astronaut: Hey friend, I am at the moon. What are you doing?
Earthman: I am just taking rest on my bed.
Who is/are in motion when an alien observes them from Mars?
Previously I have asked that what is algae? I got my answer the same thing. But I don't know what is morphological. It was written in my answer.