What does the autonomic nervous system do? The autonomic nervous system regulates certain body processes, such as blood pressure and the rate of breathing. This system works automatically (autonomously), without a person’s conscious effort. Disorders of the autonomic nervous system can affect any body part or process. How does the autonomic nervous system influence Behaviour? […]

What new products can be made from recycled materials? Recycled plastic also makes sleeping bags, backpacks, and carpeting. Plastic bottle caps can make storage containers, shopping bags, ropes, brooms, and even car batteries. Building insulation, picture frames, and new foam packaging has also come from plastic foam packaging. How do I secure my package without […]

How is biodiversity related to human activities that use natural resources? Biodiversity decreases as humans use natural resources wisely. Biodiversity increases as humans develop a sustainable ways of using natural resources. How are human activities reduces biodiversity? The main threats facing biodiversity globally are: destruction, degradation and fragmentation of habitats. reduction of individual survival and […]

What are precautions in a lab report? Dispose of solvents properly. Keep your work area tidy and clean up any spills, including water, on the floor. Report all accidents and dangerous incidents Wash your hands carefully when you leave Assume you are the only safe worker in the laboratory. Work defensively! What is a discussion […]

Which factors could be potential sources of error in the experiment? Common sources of error include instrumental, environmental, procedural, and human. All of these errors can be either random or systematic depending on how they affect the results. Instrumental error happens when the instruments being used are inaccurate, such as a balance that does not […]

Why is gravitational potential energy called energy of position? Gravitational potential energy is energy in an object that is held in a vertical position, due to the force of gravity working to pull it down. The amount of gravitational potential energy an object has depends on its height and mass. What kind of energy is […]

Where are the greenhouse gases located? Greenhouse gases are those gases in the atmosphere that have an influence on the earth’s energy balance. They cause the so-​called greenhouse effect. The best known greenhouse gases, carbon dioxide (CO₂), methane and nitrous oxide, can be found naturally in low concentrations in the atmosphere. Where do greenhouse gases […]

How do salamanders regenerate? How a Salamander Regrows a Limb. Soon after the wound has been sealed by a blood clot, however, salamanders develop a clump of cells beneath the surface, called a blastema. The cells that form this blastema tend to be from nearby — but they’re not normal skin cells or blood cells. […]

What is the modern view of the atom? Our modern view of the atom is that it consists of a positively charged nucleus surrounded by electrons. The nucleus contains two types of subatomic particles: protons, which are positively charged; and neutrons, which are not charged. What is the current model of the atom in use […]

How is heme attached to hemoglobin? Amino Acids, Peptides, and Proteins As in myoglobin, each subunit is linked covalently to a molecule of heme. Thus, hemoglobin binds four O2 molecules. The two identical α chains and the two identical β chains are arranged tetrahedrally (Figure 29.20). Which level of organization is present in Haemoglobin structure? […]