Author name: Umar Draz

In an email, CC stands for "carbon copy" (or "courtesy copy") and is used to send a copy of the email to someone for their information, typically when a reply is not required. All recipients, including the main "To" and "CC" recipients, can see who has been carbon-copied.

Arrow keys (↑ ↓ ← →) are navigation keys for cursor movement

Rate=4yds/2min=2yds/min, 50min×2yds/min=100 yards

20min=1/3hr, Speed=16km÷(1/3)hr=48km/h

Arithmetic sequence: a₁=35, d=10, a₁₀=35+(10-1)×10=125

Proverb "Still waters run deep" means quiet people have deep thoughts

Thorough describes enquiry (noun), so it's adjective

Ablution means ritual washing/cleansing

Proper nouns capitalized, common nouns lowercase