i need help with 6th grade science

One crop component requires comparatively lesser water than the othe..

The Need to Manage Our Resources - Everything that we use or consume - food, clothes, vehicles, tools, petrol, furniture, medicines, books, toys, and the infrastructure of electricity, roads bridges, and buildings are obtained from resources on this earth. The only thing one gets from out..

Everything that we use or consume - food, clothes, vehicles, tools, petrol, furniture, medicines, books, toys, and the infrastructure of electricity, roads bridges, and buildings are obtained from resources on this earth. The only thing one gets from outside is the sun's energy and even this is co..

Sound can propagate not only through gases but also through solids and liquids. Some materials like air, water, iron etc can easily transmit sound energy from one place to anothe..

The 6 th period consists of elements that have atomic numbers 58 to 71. They are called Lanthanides. The 7 th period consists of elements that have atomic numbers 90 to 105. They are called Actinides. Both of them are called inner transition elements. Lanthanides an..

All living organisms need food for their existence. They need food for their growth, repair of tissues, energy and also protection against diseases. The various components of food are proteins, carbohydrates, fats, vitamins, minerals, roughage and wate..

Question 1 - Question: Why do organisms need food? Answer: Organisms need food for obtaining energy to perform the vital function..

This is because there is no starch in that area. The area was deprived of light which is needed for photosynthesis. Hence, no photosynthesis took place in that are..

This is a purely commercial forestry, which is developed to fulfill the needs of the various forest-based industries requiring large quantities of raw materials. This type of plantation is done on land, which is not being used for any agricultural practice..

It includes fuels which are most commonly used such as wood, coal and petroleum. These fossil fuels are non-renewable sources of energy. Therefore we need to conserve the..