Answer :

Explanation : To find density, we can use the formula as given below;
density ρ =

Here, we have the mass as 89.6 g and the volume is ,
on calculating we get,
This means that the density of the copper sample is
Answer:When a cell needs to move a molecule many times, it uses vesicles. Vesicles are cellular organelles that are composed of a lipid bilayer. You can think of vesicles as cellular envelopes that are used to transport materials from one place to another. Vesicles also function in metabolism and enzyme storage as well.
Explanation:
Answer: A). 2.7 million people per year
Explanation:
From 2000 to 2010 is 10 years. Change in population in 10 years = population at the beginning of 2010 minus the population at the beginning of 2000. This is:
309 million -282 million = 27 million.
Therefore average change in population person year = 27 million/10 = 2.7 million per year
Explanation:
As a diagnostic radiographer you'll use x-ray and ultrasound machines, as well as other forms of imaging technology, to look inside a patient's body and find out what's causing their illness. Working in a range of hospital departments, you'll acquire images to help with the diagnosis of illnesses and injuries.
Answer:
the answer would be B , it's is increasing due to improved technology and medicine