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When should the imperfect tense be used in Spanish?

The imperfect tense should be used when: describing something one did in the past on a regular basis; setting the stage for another action (i.e. i was reading when he came in, leía cuando en...

Answered by Dan F. • Spanish tutor

2614 Views

What is the greenhouse effect?

The natural greenhouse effect is how the atmosphere works to absorb and reflect radiation to keep the Earth warm. The sun emits short wave radiation towards the Earth. The Earth's atmosphere absorbs this ...

Answered by Josie H. • Geography tutor

9671 Views

Describe the difference between a CPU and a GPU with relation to processing power and ability to perform tasks.

A CPU (Central Processing Unit) is comprised of a few large processing cores, each of which is capable of performing complicated tasks on its own. This added complexity also enables CPUs to be efficent

Answered by Zack S. • Computing tutor

1819 Views

Describe how a healthy kidney produces urine

At the Bowman's Capsule, the blood undergoes ultrafiltration. This is when the smaller molecules in the blood are forced through the partially permeable membrane of the Bowman's Capsule. This is because t...

Answered by Jacob J. • Biology tutor

4314 Views