—— The welfare state is a system of government by which the state provides the economic and social security of its citizens through its organization of health services, pensions and other facilities. The system is funded out of national insurance contributions and taxation. In Britain the term ...
数值接近其真实值的程度 The extent to which a value approaches its true value
9(a)1evaporation of water from leaf / stem / plant;diffusion of water vapour;3through stomata;4down concentration gradient;any three - 1 mark each(b)temperature rise increases the rate of transpiration levaporation / ORA;2warm air can contain more water (vapour) / ORA;3increases concentratio...
百度试题 题目4. What is meant by the term "cohesion" in the study of texts? What "cohesion" is different from the term "coherence"相关知识点: 试题来源: 解析反馈 收藏
Electrolysis is a process that utilizes electrical energy to drive a non-spontaneous chemical reaction. This process involves the flow of direct current through an ionic compound, either molten or dissolved in a suitable solvent, resulting in chemical decomposition. The question is in English, but ...
A. Stations not directly involved with the on-going distress communications may not transmit on the distress frequency or channel B. Stations remaining off the air to safeguard proprietary information C. Two three-minute silent periods,at 15 and 45 minutes after the hour,that provide a transmitt...
(a) (i) What is meant by the term enthalpy change of hydration, △H_1°_(2)=30°(ii) Write an equation that represents the AHayd of the Mg2+ ion.(iii) Suggest a reason why AHfy a of the Mg2+ ion is greater than AHyd of the Ca2+ ion.(iv) Suggest why it is impossible to...
A. Stations remaining off the air to safeguard proprietary information. B. Two three-minute silent periods, at the top and bottom of every hour, that provides a transmitting “window” for distressed vessel to transmit distress alerts. C. Stations not directly involved with the on-going distress...
4 (a) State what is meant by the term polarisation when applied to a wave.[1](b)Explain why only transverse waves can be polarised.[2](c)Some films released have enabled viewing in three dimensions (3D). This can be done using two superimposed polarised images on the screen. One of ...
结果1 题目(c) What is meant by the term unsaturated hydrocarbon?unsaturated hydrocarbon 相关知识点: 试题来源: 解析 (contains) double bond/ triple bond/ multiple bond(s)/not all bonds are single(contains) carbon and hydrogen only 反馈 收藏 ...