The stair master is the best machine for warmup cardio | 5 | EOOD | | | | |
Is the moon to small to hold an atmosphere? | 1 | askscience | | | | |
If you have a tub of water with 80% salinity and take a cup of that water out, will the cup of water also have 80% salinity? | 1 | askscience | | | | |