Scientists are trying to determine the exact age of a rock sample. which method for measuring the age of rocks might be used?

Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.

6. carly removed her watch and other jewelry, rolled up her sleeves, and properly washed her hands. which is the next step she should do to don her personal protective equipment? remove the mask by untying the lower string, then the top strings pick up the mask by the upper ties, trying not to touch the part that covers the face let the clean gown unfold by holding it directly in front of her pull the gown away from her shoulders, trying not to touch the inside of the gown

Amineral crystallizes from magma deep inside earth. which characteristics can be determined given only the information above. a) luster b) streak c) crystal size d) crystal structure