Science

Question 1

VÃáO2¬†max is a measure of…

Answer 1

A measure of the maximum amount of oxygen consumption during exercise. It is a indicator of endurance fitness.

Question 2

megatherium

Answer 2

giant ground sloth that is now extinct

Question 3

dopamine

Answer 3

a neurotransmitter—a chemical messenger in the brain—that plays a crucial role in regulating mood, motivation, reward, pleasure, movement, and cognitive processes.

Question 4

How many Kg in 1 tonne?

Answer 4

1000Kg = 1 tonne

Question 5

Name of our galaxy group

Answer 5

The Local Group

Question 6

glyptodont

Answer 6

extinct subfamily of amoured armadillos

Question 7

Main uses of uranium

Answer 7

NAME?

Question 8

First six digits of pi

Answer 8

3.14159

Question 9

What causes seasons?

Answer 9

The earth’s axis is tilted changing the directness of the sun’s rays.

Question 10

Krebs cycle

Answer 10

a series of chemical reactions that generate engry by the oxidization of acetate - from carbs, fats and proteins - into carbon dioxide.

Question 11

TRS cable

Answer 11

Tip Ring Sleeve 

vs a Tip Ring Ring Sleeve (TRRS)

Question 12

What is the most likely theory for the extinction of megafauna?

Answer 12

Humans killed them all (except in Africa where we still have megafauna such as elephants and giraffes)

Question 13

the hiss noise when your dB is high is called

Answer 13

the noise floor

Question 14

organic compound

Answer 14

a chemical compound that contains carbon atoms bonded with other elements

Organic compounds are are fundamental to the structure and function of all living organisms.

Question 15

capybara

Answer 15

giant rodent found in South America

Question 16

Denisovans

Answer 16

Extinct human ancestor that shares a common ancestor with Neanderthals and Homo Sapiens

Question 17

Why do megafauna still exist in Africa but became extinct in all other parts of the world?

Answer 17

Humans evolved alongside megafauna in Africa, giving them longer time to adapt and evolve to humans.

Other continents did not have a chance to adapt to humans.

Question 18

How long does it take the earth to orbit the sun?

Answer 18

365.24 days

Question 19

Where were Denisonvans located and when?

Answer 19

7650,000 years ago in Eurasia, then just Asia

Question 20

When did Neanderthals go extinct?

Answer 20

~40,000 years ago

Question 21

Eurasia

Answer 21

Europe and Asia - largest continental area on Earth

Question 22

VÃáO2¬†max is an abbreviation of…

Answer 22

“VÃá” for¬†volume¬†(the dot appears over the V to indicate “per unit of time”), “O2” for¬†oxygen, and “max” for maximum.

Question 23

sawtooth or saw wave

Answer 23

waveforms that are not sine/smooth