And there is some virtuoso human sculpture, making it appear easy to be a figurehead standing on another dancer as prow.
USA-1's four-man crew made it appear easy, if there is such a thing while piling into a bobsled and reaching speeds of 95 miles an hour.
Tosun crossed from the right and Seamus Coleman rattled the crossbar when it appeared easier to score.
It appeared easier to describe satanic escapades when an adolescent had already been told, or believed, that she cavorted with the Devil.
It appears easier to over-stimulate students with vibrant colours and busy displays, than to create calm but interesting environments suitable for learning.
Here, it appears easier to prove that an animal is experiencing pleasure than happiness if happiness is defined as three processes: a physiological response to certain stimuli, an expression of that emotion, and an ability to reflect upon that emotion.
He should have supplied Juan Cuadrado with a third before the end only for the Colombian, offered a rare cameo, to strike Begovic with a point-blank shot and then with the rebound when it appeared easier to score.
As was the case with Duff's first-half chance, completely out of the blue, the Republic were presented with a glorious opportunity on 74 but Keane headed wide from six yards when it appeared easier to score.
Romelu Lukaku hit the bar while the game was goalless, when it appeared easier to score, and, soon after Arsenal took the lead, Brazilian midfielder Fred struck a post for United.
