Setting concrete at 50°C is preferable to setting it at 5°C. Why? At 50°C, the concrete sets to have a lesser final compressive strength.
At 50°C, the concrete sets to have a greater final compressive strength.
At 50°C, the concrete sets more quickly.
At 50°C, the concrete sets more slowly.

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.