What do you think is the charge of the nucleus of an atom? The nucleus of an atom has a positive charge because the proton is positive and the neutron is neutral. Protons and neutrons have similar mass. Electrons are smaller than a proton or a neutron. What two particles make up an atom? In […]
Is it cruel to crate a dog at night?
What color light do plants need?
What color light do plants need? Blue light produces more lush greenery. Blue light is necessary for plants to regulate plant growth, as it helps to create strong stems and also helps create the chlorophyll necessary for plant processes. Red light is needed by plants to flower, but if a plant receives too much red […]
What is Plank muscular strength?
What is Plank muscular strength? Put simply, the plank is an isometric body-weight exercise that boosts core endurance. While muscle strength refers to the amount of force a muscle can exert or how much weight you can lift, muscle endurance refers to the ability of a muscle to hold a sustained contraction for a longer […]
What were three types of slaves done on plantations?
What were three types of slaves done on plantations? What different types of work were done by slaves on plantations? Slaves worked as butlers, cooks, nurses, blacksmiths, or carpenters. Why the cotton gin was important? The gin improved the separation of the seeds and fibers but the cotton still needed to be picked by hand. […]
What would happen if Earth stopped spinning?
What would happen if Earth stopped spinning? If the earth stops spinning suddenly, the atmosphere will continue to spin. This means very high speed winds, i.e., approximately 1,670 Km/hr which is earth’s rotational velocity. The winds will also cause erosion to the earth’s crust. What would happen if a massive asteroid hit the sun? The […]
Where do plant cells get their energy?
Where do plant cells get their energy? Energy Cycle in Living Things Both animal and plant cells contain mitochondria and plants have the additional energy factories called chloroplasts. The chloroplasts collect energy from the sun and use carbon dioxide and water in the process called photosynthesis to produce sugars. Why do plants grow better in […]
Which two early fields led to the formation of the field of psychology?
Which two early fields led to the formation of the field of psychology? Psychology developed from philosophy and physiology. What is a main concern about psychology as a discipline quizlet? Psychology is defined as: a discipline concerned with behavior and mental processes and how they are affected by an organism’s physical state, mental state, and […]
Does the Mercalli scale measure damage?
Does the Mercalli scale measure damage? The Mercalli intensity scale (or more precisely the Modified Mercalli intensity scale) is a scale to measure the intensity of earthquakes. When there is little damage, the scale describes how people felt the earthquake, or how many people felt it. How is the Mercalli scale used today? Modified Mercalli […]