What evidence supports the idea that H. habilis was an ancestor of H. erectus

Chemistry: Atoms First 1
Problem 74AP A cylindrical glass tube 12.7 cm in length is filled with mercury (density = 13.6 g/mL). The mass of mercury needed to fill the tube is 105.5 g. Calculate the inner diameter of the tube (volume of a cylinder of radius r and length h is

Chemistry 11
Barium hydroxide, often used to titrate weak organic acids, is obtained as the octahydrate. \(\mathrm{Ba}(\mathrm{OH})_{2} \cdot 8 \mathrm{H}_{2} \mathrm{O}\). What mass of \(\mathrm{Ba}(\mathrm{OH})_{2} \cdot 8 \mathrm{H}_{2} \mathrm{O}\) would be required to make 500.0 mL of a solution that is 0.15

Elementary Statistics: A Step by Step Approach 8th ed. 8
Per Capita Income of Delaware Residents In a recent year, Delaware had the highest per capita annual income with $51,803. If s _ $4850, what is the probability that a random sample of 34 state residents had a mean income greater than $50,000? Less than $48,000? Source: New York Times Almanac. 0.9850;

Campbell Biology 10
How many electrons does fluorine have? How many electron shells? Name the orbitals that are occupied. How many electrons are needed to fill the valence shell?

Principles of Economics 6
The residents of Vegopia spend all of their income on cauliflower, broccoli, and carrots. In 2010, they buy 100 heads of cauliflower for $200, 50 bunches of broccoli for $75, and 500 carrots for $50. In 2011, they buy 75 heads of cauliflower for $225,80 bunches of broccoli for $120, and 500 carrots f

Principles of Accounting, Volume 1: Financial Accounting
Which of the following is an example of a contra revenue account? A. sales B. merchandise inventory C. sales discounts D. accounts payable

Biology: The Unity and Diversity of Life 15
A massive die-off of lobsters in the Long Island Sound was blamed on pesticides sprayed to control mosquitoes that carry West Nile virus. Why might a chemical designed to kill insects also harm lobsters but have no effect on sea stars?

Biochemistry 9
Explain what is meant by \(K_{0.5}\)