At stp which element is solid brittle and a poor conductor of electricity.

When amy exercises in her fitness center for 1 hr she burns a total of 475 calories. if she burns 9 calories a minute jogging on the treadmill and then burns 6.5 calories a minute pedaling on the stationary bicycle how many minutes of the hour does she spend exercising on the bicycle?

What type of animal might be preserved in a tar pit

What is another way name for bd? cf, bd, cf, be