- 1 6 Bài soạn "Cách làm bài văn nghị luận về một đoạn thơ, bài thơ" lớp 9 hay nhất
- 2 6 Bài soạn "Chủ đề và dàn bài của bài văn tự sự" lớp 6 hay nhất
- 3 6 Bài soạn "Đề văn biểu cảm và cách làm bài văn biểu cảm" lớp 7 hay nhất
- 4 6 Bài soạn "Cách làm bài văn biểu cảm về tác phẩm văn học" lớp 7 hay nhất
- 5 10 Bài văn so sánh hình ảnh người lính trong hai bài thơ "Đồng chí" và "Bài thơ về tiểu đội xe không kính" lớp 9 hay nhất
- 6 6 Bài soạn "Đề văn thuyết minh và cách làm bài văn thuyết minh" hay nhất
- 7 8 Bài văn cảm nhận về khổ thơ cuối bài "Sang thu" của Hữu Thỉnh lớp 9 hay nhất
- 8 6 Bài soạn "Tìm hiểu đề và cách làm bài văn tự sự" lớp 6 hay nhất
- 9 5 Bài soạn Phân tích đề, lập dàn ý bài văn nghị luận (Ngữ Văn 11) hay nhất
- 10 6 Bài soạn "Luyện tập: Đưa yếu tố biểu cảm vào bài văn nghị luận" lớp 8 hay nhất
Groups of Protists
In the span of several decades, the Kingdom Protista has been disassembled because sequence analyses have revealed new genetic (and therefore evolutionary) relationships among these eukaryotes. Moreover, protists that exhibit similar morphological features may ...
Radiation
You can feel the heat transfer from a fire and from the Sun. Similarly, you can sometimes tell that the oven is hot without touching its door or looking inside—it may just warm you as you walk by. The space between the Earth and the Sun is largely empty, ...
Circulation and the Central Nervous System
The CNS is crucial to the operation of the body, and any compromise in the brain and spinal cord can lead to severe difficulties. The CNS has a privileged blood supply, as suggested by the blood-brain barrier. The function of the tissue in the CNS is crucial to ...
Introduction to Electric Current, Resistance, and Ohm's Law
Electric energy in massive quantities is transmitted from this hydroelectric facility, the Srisailam power station located along the Krishna River in India, by the movement of charge—that is, by electric ...
Chromosomal Basis of Inherited Disorders
Inherited disorders can arise when chromosomes behave abnormally during meiosis. Chromosome disorders can be divided into two categories: abnormalities in chromosome number and chromosomal structural rearrangements. Because even small segments of chromosomes ...
Introduction to Health and Medicine
Vaccinations can slow or halt the spread of disease, but some families refuse them. (Photo courtesy of USACE Europe District/flickr) In 2010, a pertussis (whooping cough) outbreak in California sickened 9,143 people and ...
Regulation of Body Processes
Hormones have a wide range of effects and modulate many different body processes. The key regulatory processes that will be examined here are those affecting the excretory system, the reproductive system, metabolism, blood calcium concentrations, growth, and ...
Drugs that Affect the Autonomic System
An important way to understand the effects of native neurochemicals in the autonomic system is in considering the effects of pharmaceutical drugs. This can be considered in terms of how drugs change autonomic function. These effects will primarily be based on ...
Introduction to Social Movements and Social Change
When people join together, such as these 2011 Egyptian protestors, they are engaging in collective behavior. (Photo courtesy of Agent 021/Wikimedia Commons) In January 2011, Egypt erupted in protests against the stifling rule ...
Kinetic Theory: Atomic and Molecular Explanation of Pressure and Temperature
We have developed macroscopic definitions of pressure and temperature. Pressure is the force divided by the area on which the force is exerted, and temperature is measured with a thermometer. We gain a better understanding of pressure and temperature from ...




