How can get more points from

answering questions and doing challenges (which are located at the right corner of the screen), will give you coins. try looking at questions that give more points. but do not answer questions you don't know the answer to as people need the correct answer.

you answer questions like i just did.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

that is wrong, its not thymus.