Answer:
formal tone/formal speech
Explanation:
formal because you don't wanna be using an informal tone (like using slang) in front of your classmates and professor. if you use informal tone, they might think you're not taking the presentation seriously!
Answer:


The point (0,4) is located on the y axis in between 1st quadrant on cartisian plane.


The cartisian plane is defined by two perpendicular number lines, x axis (horizontal line), and y axis (vertical line).
- The cartisian plane is divided into 4 quadrants.
- The first quadrant both x and y ordinate both are positive.
- The second quadrant x ordinate is negative and y ordinate is positive.
- The third quadrant both x and y ordinate are negative.
- In fourth quadrant x ordinate is positive and y ordinate is negative.

A mineral is a solid formation that occurs naturally in the earth while a rock is a solid combination of more than one mineral formations which is also occurring naturally. A rock can also contain organic remains and mineraloids apart from regular mineral formations.
Answer:
to protect people from the vauras