Questions

These are a couple of examples of things that retail staff may be expected to get involved with, and they'll be keen to see how much additional training they might need to provide.

An octopus have 3 hearts, 9 brains and 8 tentacles.

About 150 - 200 species of plant, insect, bird and mammal become extinct every day or 24 hrs.

This is not an accurate but an estimation by U.N. Convention on Biological Diversity and Global Extinction Rates. It is also said that current extinctions were 'up to 100 times higher than the background rate.'

We know that,

Weight W = mg. That is mass times gravitational force.

Yes, Carbon disulfide is prepared by heating sulfur and charcoal. 

S2 + C ----> CS2

Developing a habit of wearing your lifejacket or PFD at all times also reduces the chance that you will drown should you find yourself in the water unexpectedly.