What does the group number of an element represent (using the A B classical numbering system, example IA, 2A) ?

What were the pyramids used for?

The fluid phase of blood, removed of clotting factors: 

Transport mechanisms come in two types – those that are active, requiring no energy from the cell to operate, and those that require energy (passive transport), in the form of ATP, to work.

The attachment of muscle groups directly & securely to the periosteum or bone is known as ____________________.

Calcitonin is opposed by a hormone from what gland?

Which of the following is NOT the main element of social contract as defined by Hobbes?

Briefly discuss the relation between structure and agent. Provide a real-world example to explain their relation.

Economic and other systemic conditions are structures produced by rules and practices established and enforced by powerful governments and their agents.

The following is a summary of information presented on the financial statements of a company on December 31, 20X9. Account 20X9 20X8 Net Sales Revenue $607,000  $503,000  Cost of Goods Sold 457,000  403,000  Gross Profit 150,000  100,000  Selling Expenses 56,000  52,000  Net Income Before Income Tax Expense 94,000  48,000  Income Tax Expense 37,000  20,000  Net Income $57,000  $28,000  With respect to net sales revenue, a horizontal analysis reveals ________.