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What is the difference between ser and estar?

Describing people Unlike english, Spanish has two verbs for "to be": ser and estar. As a general rule ser is used to describe or answer questions about who or what something is, while estar describ...
TB
Answered by Thomas B. • Spanish tutor
5008 Views

What factors contribute to phenotypic variation between organisms?

Let us first understand what is meant by the term "phenotypic variation". Simply, the phenotype of an organism is its observable characteristics - like how it looks, how it behaves, and so on. Diff...
FM
Answered by Faheem M. • Biology tutor
17111 Views

How can I apply critical work to my own writing?

As you progress in your study of English Literature, it will become more and more important to incorportate critical work into your own essays. Lots of students are afraid of plaigarism, but working with cri...
AG
4694 Views

How can I organise my thoughts into a good plan?

Planning is vital to structuring an essay well, and you should always take 5-10 minutes out of your writing time to set out a quick brainstorm or bullet point list. For a longform answer, try the following s...
AG
5358 Views

How is oxygen moved from the lungs to the blood?

When oxygen reaches the alveoli of the lunngs, it diffuses into the blood. The oxygen enters the red blood cells and combines with the haemoglobin to form oxyhaemoglobin. When the red blood cells reach the t...
OA
9131 Views