Top answers

What is the function of the waxy cuticle?

It prevents evaporation of water from the leaf to reduce the loss of water
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Answered by Josephine S. • Biology tutor
7052 Views

Name 3 barriers against infection

Any 3 from. Skin. Mucus -in nose, trachea (cilia waft the mucus into the stomach to be destroyed) . Stomach acid. lysosomes (e.g. in tears and saliva)
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Answered by Josephine S. • Biology tutor
2845 Views

How do endothermic and exothermic reactions differ?

Endothermic reactions take in heat from the surroundings, whereas exothermic reactions release heat to the surroundings. Exothermic reactions release heat as the energy released from the bonds being made in ...
ML
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For what values of k does the line y=kx-1 have two distinct points of intersection with the circle (x-2)^2+(y-3)^2=2?

sub y=kx-1 into circle equation, get (k^2+1)x^2-(8k+4)x+18=0for 2 distinct solutions need b^2-4ac>0, ie -8k^2+64k-56>0iff k^2-8k+7<0complete the square: intersections of equation in k satisfy(k-4)^2...
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Answered by Christopher B. • Maths tutor
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How do I form the present conditional tense and when is it used?

To put it simply, we use the conditional tense (le conditionnel) to talk/ speculate about what 'would' happen.It is formed by taking the same stem as the future tense (which in most cases would be the infini...
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Answered by Clare B. • French tutor
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