Humans have a bilaterally symmetrical body characterized aracterized by a backbone, hair, mammary glands and highly developed sense organs. Human body is composed of liv cells and extracellular materials organized into tissues, organs and systems. Powered by the heart, it is the body's distribution system supplying oxygen, hormone and essential nutrients to the organs that keeps it alive. Bi…
Discover the fascinating world of trees in this comprehensive guide to the amazing botanical wonders that surround us. From the towering sequoias of California to the delicate cherry blossoms of Japan, this book explores the diverse and beautiful forms of these essential plants. With stunning photographs and engaging text, this book takes you on a journey through the history of trees and the…
Volcanoes and earthquakes are natural disasters that can cause great damage and loss of life. Both volcanoes and earthquakes are caused by the heat and energy released from the Earth's core. The severe movement of tectonic plates during an earthquake can trigger volcanic eruptions, whereas the movement of magma within a volcano can trigger earthquakes. These sudden movements can generate signif…
Index hlm. 64 ___ Energy is everywhere, from the food we eat to the lights we turn on at night. But how much do you really know about the energy that powers your life? In this book, you will embark on a a fascinating journey through the world of energy, exploring everything from the history of energy to the latest innovations in clean energy technology. Whether you are a student, a scienti…
Index hlm. 64 ___ The universe comprises all of space and the matter therein, including galaxies, planets, stars, asteroids, and comets, and all forms of energy. It is everything that has existed, and everything that will exist. Depending on the location of the observer, the spatial region that can be observed with telescopes is called the observable universe. Explore the vast expanse of t…
Index hlm. 64 ___ Our climate is always changing. The term 'climate' refers to weather averaged over a period of time, typically 30 years. Every day, we experience 'weather', but the accumulation of daily weather changes adds up to climate change over time. Weather is what you expect, but climate is what you get. Weather is an interesting aspects of our lives, from the calming sound of rain t…
index hlm. 64 ___ Animals share our planet and represent about three-quarters of the species on Earth. Their habitats are diverse and they can be found in grasslands, deserts, mountains, forests, and underwater. They need food and water to live and can sense what goes around them. They need to move from place to place in pursuit of food, mates, or to take refuge from predators. This book …