What is the most important requirement for an knee implant

What is the property of nanomaterials that makes it suitable for catalytic surfaces. Explain in your own words

Chaffey College has a total population of 60,000 people, of which 2,000 are under 16; 4,000 are full-time students who are not employed and are not seeking work; and 50,000 are employed. The rest of the people are out of work but have been actively seeking work within the past four weeks. What is the labor force size in Chaffey College? 

Imagine you send 74,285 emails, 71,901 are delivered, and 9,892 are opened. What is the open rate?

A radioactive substance starts with 400g and has 90g in 10 days. How much will there be in 7 days? Show your work. (Use e^(x) for ex if needed.)

Business Cycles occur due to 

Chaffey College has a total population of 60,000 people, of which 2,000 are under 16; 4,000 are full-time students who are not employed and are not seeking work; and 50,000 are employed. The rest of the people are out of work but have been actively seeking work within the past four weeks. What is the unemployment rate in Chaffey College? Enter your answer as a percent, for example if you calculate 5%, enter just 5.0.

Why is a careful review of records along with clinical knowledge important when determining the root cause of a denial?

Inflation comes from 

In Agricultural food (agri-food), many value chain steps are linked, including production, post-harvest and storage, processing and marketing. Unfortunately, renewable energy cannot be used to all agri-food value chain steps. This statement is True or False (indicate by T or F ).