(c )
When walking at 5 km per hour the amount of oxygen used is 3 litres per minute.
The volume of air of each breath is 3.0 litres. Air contains 20% oxygen of which the
body uses 20%. Use this information to calculate how many breaths per minute a
person would take when walking at 5 km per hour. Show your working out

this website is for anybody really not just for girls just saying, also while a lot of males are mean and you know there are the few who are kind and then there's the nice-guys but then theirs also guys like me who are shy we don't get out much because there are people like you who exist who would most likely punch a guy in the face so next time just think about things before you post them to a website where guys and girls can see your question.

it cools slower in the earth meaning the crystals have more time to form than lava on the surface

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)