tell vs say Which one is correct? I was too scared to tell sorry to mom. I was too scared to say sorry to mom. Thank you!!

Is 'vacuum' a countable noun? A vacuum cleaner actually uses such features of a vacuum created by a fan on the inside. understand the first indefinite article 'a' is for the vacuum cleaner. what about the other one after 'of' - a vacuum created -

English Grammar 1) A desert is one of the most extreme landscapes 2) nature has to offer. This mystical place is the home for many living organisms, 3) which have adapted to the beauty and also 4) to the lack of elements including water. Approximately one-fifth of the earth is a desert, and it contains numerous of vegetation that have the ability to survive there.] 1. shouldn’t this be replaced with ‘deserts are’ to make the sentence more generalized? 2. It appears ‘that’ is omitted in between ‘landscapes’ and ‘nature'. Can explain why? 3. why ‘comma’ is needed before ‘which’? Thought ‘which’ refers to the ‘living organisms’ and the comma is not necessary. 4. can this ‘to’ be removed? Isn’t ‘the lack of~’ is linked to ‘adapted to’ already? Thanks in advance to whoever can shed light on the above questions, and if anything else to highlight!!.

Is 'king' a countable noun? The boy became a king at the age of 10. The boy became king at the age of 10. The boy became the king at the age of 10. Which one is correct?

She has good brains. Is the above sentence correct and sound natural?

important vs. significant any difference? Can you also give me some sentences with the word 'significant'? thank you.

Hope summer ends soon It has been super hot for the last couple of weeks. There has even been some heat warnings to alert people of this unusual weather. Fans and air conditioners are truly savors for people in this crazy season. I wonder how people in the old days could live without air conditioners.

Medium banknotes Some scientists have been memorialized in a slightly more unusual, but common, medium—banknotes. ** what does the 'medium banknotes' mean?

'is going to' vs. 'will' "What is going to happen in the future?" vs. "What will happen in the future?" Any difference in the meaning?