How did glaciers affect the landscape of the US?

Glaciers are huge, slowly moving bodies of ice. The are like big bulldozers and push, capture, and entrain anything in its way. When rocks are dragged at the base of a glacier, they scrape the... more

July/August hottest months (northern hemisphere): because of continued warming or other effects?

In the northern hemisphere, July and August are the hottest months statistically<sup>1</sup>, but the days start shortening after June 21st. Is this just because the Northern... more

Why do some questions not start with an auxiliary verb?

When I learned English, my teachers told me that all questions **must** have an auxiliary verb at the beginning, just like *Are you mad?* or *Is she playing?* do. But when watching some movies or... more

Mixed conditional clause type 1-3?

I came across the following conditional clause while studying a grammar book published by Oxford: "If you know London so well, you shouldn't have got so hopelessly lost." The writer of the book... more

03/27/19

Is there any difference between deputies & lawmakers?

As a non-native speaker quite often I get in trouble with slight differences between concepts. So, regarding to this doubt I think both of them are used to express the same thing but I'm not sure... more

Concatenate vs. "merge" vs. "join" in scientific text?

I wonder what the difference is between *concatenate*, *merge* and *join* from the lexical point of view. These words are often used in scientific or programming text. It seems to me that... more

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