For all natural n (n²-1) is divisible by

Describe what would happen to the biosphere if any one of the four components of biodiversity (genetic, species, ecological, functional) were somehow eliminated.

When earth completes a full rotation how many times has elapsed? (A) 1 day (B) 1 week (C) 1 month (D) 1 year

Three measures that can improve a country's social indicators (mortality, HDI, literacy).

An ancient rock sample has 2 pg/kg of a radioactive isotope. Modern formations of this type of rock have 64 pg/kg of this same isotope. If the half-life of this isotope is 30 million years how old is the ancient rock sample

How would you describe the shape of a rock that has just been broken off a larger block or rock?

At what age do kids in Jordan begin school?

For which triangle does the equation 4^2+4^2 = c^2 apply?

Places to which the Rohingyas they were displaced

1. What is the trading route between the Indian Ocean and the Mediterranean Sea? 2. What lies between the Arabian Peninsula and India? 3. What is west of Yemen? 4. What is east of the United Arab Emirates? 5.

What types of areas are created by sinking, dry air at 30 degrees north or south latitude?