[!def] the amount of energy needed to change the temperature of $1kg$ of the substance by $1\degree C$ $$c = \frac{1}{M}\frac{dQ}{dT}\ \left( J\cdot k

Temperature reflects the average kinetic energy of its constituent particles (atoms or molecules) relative to its center of mass. Kelvin K $C\degree =

$$P = \frac{F}{A}$$ Unit: Pascal - $N\cdot m^{-2}$ Solids Examples Increase the pressure by Reducing the area knife, needle Reduce the pressure by inc

Sources of Income Salary (return on labour) Rent (return on land) Interest on saving (return on capital) Dividend股份 (return on enterprise) [!def] disp

Money: high liquidity Wealth: low liquidity Properties Divisibility: to be a valued medium of exchange, currency must be divisible. €50 notes can be e

Indirect taxation aimed of reducing demand for demerit products can be shifted or passed on [!def] a tax that is levied upon goods and services before

Distort the Allocation High taxes can distort Market price signals and reduce work incentives Land regulations can increase production costs and there

''' 找到一种将输入中的数字替换的方法，使得 1. 数字的出现次数符合原加法表 2. 可以通过原加法表交换行，列后得到 然后在所有这种方法之中找到替换后的表格字典序最小的 ''' N = int(input()) li = list() for i in range(N): li.ap

Physical Digestion Breaking large pieces into smaller soluble pieces - Increase surface area for enzymes to act on teeth, stomach Teeth Incisors chise

Ingestion I for in [!def] Taking food into the body Mouth Teeth, lips, and tongue Both physical and chemical digestion Salivary Gland (唾液腺) Make saliv