You have 0.00891 g of platinum. What is this in micrograms?
O
A. 8.91 ug
O B. 8.91 x 10-6 ug
O
O
C. 8910 ug
D. 8.91 x 10-9 ug

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

Drag each number to the correct location on the equation. each number can be used more than once, but not all numbers will be used. balance the equation with the coefficients. 2 3 4 5 kclo3 -> kcl + o2

When a septic tank backs up a goes in to clean it out