effects of heat include body sweat and muscle pain.
___ (b) Hot weather causes a variety of problems.
(4) ___ (a) We cannot see bacteria or viruses without a microscope.
___ (b) Many micro-organisms are invisible to the unaided eye.
(5) ___ (a) Temperature affects water.
___ (b) At 0°C water freezes; at 100°C it vaporizes.
Essay Writing Practice
Exercise 1
Write one or more sentences
A Sustainable City
Providing the highest quality of life with the lowest environmental footprint
100% Renewable Energy
Zero Waste
Net Zero Carbon
Fossil Fuel Free Zone
1. Introduction:
1.1 What is Global Warming?
Global warming is the rise in the average temperature of Earth's atmosphere and oceans since the late 19th century and its projected continuation. Since the early 20th century, Earth's mean surface temperature has increased by about 0.8 °°C(1.4°°F), with about two-thirds of the increase occurring since 1980. Warming of the climate system is u
History of Vinegar식초의 역사
Vinegar = vin (wine) + aigre (sour) 식초 = vin (와인) + aigre (시다)
The world’s the oldest cooking ingredient and food preservation method.
가장 오래된 식재료 & 식품 보관 방법
History of almost 10,000 years
약 10,000년의 역사
Vinegar's history of
foreign country
Sterilizing action of vinegar was used fo
Problem
Liquid Hydrogen Storage - 240 ℃
The Explosion Of The Hydrogen
The Problem Of Hydrogen Transportation
Solution
Hydrogen Storage Alloys
Own Production