Questions

A trampoline is a sheet or web supported by springs in a metal frame and is used as spring board.

The preamble to the constitution does not specify providing for economic equity.

Ctrl+Shift+F Opens the Font dialog box with the focus at the Font combo box.

Production costs to an economist reflect opportunity costs.

Gene is a hereditary unit consisting of a sequence of DNA that occupies a specific location on a chromosome and determines a particular characteristic in an organism.

In short it is a piece or segment of chromosome.

Genes undergo mutation when their DNA sequence changes. 

Here ‘passed each other’ means crossed each other’s path. No preposition is required by ‘passed’.

Cerebrum is the largest region of the brain.

Most producers use sun light for making their energy in the process of photosynthesis. The energy they prepared is sugar and glucose.