What makes stones black?

Schorl Tourmaline. What is the rarest black gemstone?Black opalBlack opal is the rarest and most popular type of opal. It is also considered among the rar...

What is a pattern elementary?

• repeated design or recurring sequence. • an ordered set of numbers, shapes. or other mathematical objects, arranged according to a rule. What is the pat...

What is the sum of and product?

SUM – The sum is the result of adding two or more numbers. DIFFERENCE – The difference of two numbers is the result of subtracting these two numbers. PROD...

What does definitely not mean?

Absolutely not. A: “Now, be honest—have you ever stolen money from this company?” B: “Definitely not!” How do you use definitely not? It’s definitely not ...