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name 4 ways the lung is adapted for gaseous exchange

  1. thin diffusion distance- 1 cell thick 2. large surface area- alveoli 3. large concentration gradient- lots of blood vessels 4. moist
RT
Answered by Radhika T. Biology tutor
4529 Views

A cone has a radius of 2 units and a height of 3 units. Devise a simplified equation to find the volume of the cone.

Vol = 1/3 pi r^2 h

r = 2n

h = 3n

Therefore

Vol = 1/3.pi.(2n)^2.3n

Vol = 1/3.pi.12n^3

Vol = 4.pi.n^3

TM
Answered by Toby M. Maths tutor
3113 Views

What is the enhanced greenhouse effect?

The enhanced greenhouse effect is the stronger impact caused by human emissions of greenhouse gases. Greenhouse gases include carbon dioxide, methane and water vapour and are often produced by burning fos...

IH
15344 Views

How can I evaluate a source?

When confronted with an historical source, there are a few easy steps you can take to immediately assess how reliable it is. First of all, you need to decide whether the source is primary or ...

RR
Answered by Ruby R. History tutor
3346 Views

How do you conjugate verbs in the present tense?

It depends on the verb - does it end in an 'er', 're', or 'ir'? With regular verbs, you simply take the stem (the part without the aforementioned ending) and then for 'er' verbs, add 'e', 'es', 'e', 'ons'...

HP
Answered by Heidi P. French tutor
2265 Views

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