Top answers


How do I know the gender of a noun in French?

Nouns in French are sometimes a bit trickier in French than in English because they are all either masculine or feminine. There are different clues as to a noun's gender: 1) look to see if there is an adject...
AJ
Answered by Alexandra J. • French tutor
3646 Views

ABC and DEF are similar isoceles triangles. AB=BC=5cm, AC=6cm, DF=12cm. What is the area of DEF?

We first split ABC into two right-angled triangles. We name the midpoint of AC, M. AM=1cm, and BM=sqrt(5 2 -3 2 )=4 by Pythagoras. The area of ABC =1/2 AC BM=1/2 6 4=12. We can see that the side lengths of D...
PG
Answered by Peter G. • Maths tutor
4071 Views

What gases will be taken in and given out by a green plant (a) in darkness, (b) in bright sunlight?

(a) In low light intensities a green plant will be taking in oxygen and giving out carbon dioxide. (b) In bright sunlight a green plant will be taking in carbon dioxide and giving out oxygen.
SP
Answered by Sonali P. • Biology tutor
16808 Views

When can I use the Italian presente indicativo instead of the Italian futuro semplice indicativo?

There are some contexts where the Italian presente indicativo is used to describe an action that will take place in the future. The Italian simple present is one of the most used tense in Italian, it is comm...
IT
Answered by Irene T. • Italian tutor
5548 Views

Why do enzymes stop working at high temperatures?

With this question, you have to remember that enzymes are proteins. When the temperature gets too hot, the enzyme denatures . Denaturing is where the bonds that hold the enzyme together break, causing the ac...
CR
Answered by Callum R. • Biology tutor
12225 Views