Answer:
Focal length is 6.67 cm.
Explanation:
Object distance, u, from the lens = 10 cm
Image distance, v, to the lens = 10 cm + 10 cm
= 20 cm
Apply the lens formula to determine the focal length, f, of the lens.
=
+ 
=
+ 
= 
= 
Find the inverse of both sides, so that;
f = 
= 6.67
f = 6.67 cm
The focal length of the lens is 6.67 cm.
A mountains it’s part of biosphere;lithosphere
The correct answer to this question is this one: "<span>Since they eat lower on the trophic level and don't expend much energy they are able to grow larger."
</span><span>The giant baleen whales can grow so large because </span><span>they eat lower on the trophic level and don't expend much energy they are able to grow larger. </span>
I am very sorry, but all I can provide is that Dawn must have used the balance incorrectly or her other classmates didn't account for certain factors that Dawn did. I would really love to help, but I would need more information.
Answer:
Starch + H2O = maltose
This reaction gives the Starch and H2O as the reactants and Maltose as the product.
Amylase is an enzyme which helps in the digestion of Starch molecules and its activity can however be measured through careful monitoring of the disappearance of amylase substrate which is in this case, starch.