Top answers

How does proof by induction work?

If I gave you an infinitely tall ladder and asked you to prove to me that there are no rungs missing from the ladder, you wouldn't start to check the ladder rung by rung to see if they are all there, you'd n...
SJ
3348 Views

Describe how water moves from the roots to the leaves in a plant

Plants transport water and mineral ions into the roots from the soil via active transport. the xylem is a part of the plant responsible for water movement within the plant. water is moved from the roots to t...
JC
Answered by Jordan C. • Biology tutor
10762 Views

What are negative externalities, and what policies can the government implement to reduce them?

Negative externalities are one of the main causes for market failure, meaning that the market is not operating at its optimal level and that there is a loss of social welfare. Negative externalities are one ...
CL
6839 Views

How would I approach a question on an unseen text?

Spend time annotating the text before you start writing, it will be easier to make a plan if you have your ideas written down. The examiners will be looking for original ideas, so have confidence in your ide...
EJ
1930 Views

What is the subjunctive, and how is it used?

The subjunctive mood is used in Spanish, in contrast with the "normal" indicative mood, to signify possibility- as opposed to reality in the indicative. The mnemonic WEIRDO can be used to simplify ...
AH
Answered by Antonio H. • Spanish tutor
2639 Views