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What is the difference between 'ser' and 'estar'?

Both 'ser' and 'estar' mean 'to be' but they are used in different contexts.'Ser' is used to identify and define a person or thing, so it says what somebody is, rather than what somebody is like, e.g. Ell...

Answered by Maribel E. • Spanish tutor

1312 Views

How can crude oil be separated into different fractions?

Crude oil is a mixture of different hydrocarbons, of varying length. As they have different boiling points they can be separated.Crude oil is heated/vaporised from oil to gas.These vapours enter the fract...

Answered by Zohaib A. • Chemistry tutor

1998 Views

In order to be successful in your writing exam you will need to know a variety of tenses, do you know all the preterite tense regular endings for AR/ER/IR verbs.

Verb ending in AR: Nadar (to swim). Before adding on the endings we take off the -ar ending and then depending on who is carrying out the action is the ending we add.
Yo nadé

Answered by Lily C. • Spanish tutor

1258 Views

Explain the differences between procedural memory and episodic memory.

Procedural memory concerns motor skills and actions, such as riding a bike. Episodic memory concerns life events, such as a birthday party. 2. Procedural memory is non-declarative, meaning it is dif...
MY
Answered by Melissa Y. • Psychology tutor
2311 Views

Using your knowledge that tan(x) = sin(x) / cos(x) , how would you write 4/7tan(x)
Since tanx = sinx / cosx that means that the inverse of tan must = the inverse of sinx / cosx which is cosx / sinx . So we know that 1/tanx = cosx . Now all we have to do is apply the multiple 4/7 becaus...
Answered by • Maths tutor
2970 Views

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Top answers

What is the difference between 'ser' and 'estar'?

How can crude oil be separated into different fractions?

In order to be successful in your writing exam you will need to know a variety of tenses, do you know all the preterite tense regular endings for AR/ER/IR verbs.

Explain the differences between procedural memory and episodic memory.

Using your knowledge that tan(x) = sin(x) / cos(x) , how would you write 4/7tan(x)

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