Giving brainliest if you answer this question correct!1!1!11 why there might be something else in the water besides the reddish-brown substance?

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.

The gun from the crime scene shows tool marks where the serial numbers are ground off. there are also tool marks on the bullets left behind. what information can the tool marks on the bullets and gun provide about the crime? what type of evidence does this information provide, individual or class?