How many degrees does the sun move a day? 1 degree Why is the shadow of an object shortest at noon Class 6? At noon the sun is directly overhead. So, the sun rays fall vertically on the body. Hence the shadow is very short. In the morning and evenings, the sun rays fall in […]
What are 3 examples of echinoderms?
What are 3 examples of echinoderms? Examples of an echinoderm include a starfish, a sand dollar, a brittle star, a sea urchin, and a sea cucumber. Does echinoderms have heart? Sea cucumbers use these spines to help them move. Echinoderms have a unique water vascular system. The echinoderms have an open circulatory system, meaning that […]
What is another term for nutrient pollution?
What is another term for nutrient pollution? This process is also known as eutrophication. Excessive amounts of nutrients can lead to more serious problems such as low levels of oxygen dissolved in the water. What is meant by nutrient pollution? Also known as “nutrient pollution” (United States Environmental Protection Agency, 2017), the excessive amounts of […]
Did Katrina hit Texas?
Did Katrina hit Texas? 29, 2005. It forced a storm surge that breached a system of levees built to protect New Orleans. The 13th anniversary of Hurricane Katrina came just days after Hurricane Harvey became the strongest storm to hit Texas in decades, leaving behind historic flooding in Houston. What levee broke during Katrina? At […]
What is retardation acceleration?
What is retardation acceleration? Retardation is just the opposite of acceleration or the decrease of velocity per unit of time. Acceleration can be positive(+),0,or negative(-). Negative of acceleration is known as retardation. Negative Acceleration is called Retardation, or Deceleration. How do you find angular retardation? The angular retardation in rads-2 is. or Angular retardation, α=ω0t=30π60rad […]
What are the 5 types of stars?
What are the 5 types of stars? Exploring the stars: Six star types you should know about We are familiar with the idea that the twinkling pinpricks of light in the sky are stars, like our own Sun. That sometimes misleads us into thinking that all those stars are the same. Solar-type Stars. Hot Blue […]
Can I tow a 10 foot wide boat?
How can we protect and conserve plants?
How can we protect and conserve plants? Keep indoor plants in the house, they can lessen indoor air pollution. Compost your leaf waste to avoid use of chemical fertilisers. Do not present flower bouquets. Instead, give a potted plant and encourage your friends to grow plants. How can we protect our environment essay in English? […]
What is the most important greenhouse gas?
What is the most important greenhouse gas? Carbon Dioxide What is the primary characteristic of greenhouse gasses? Greenhouse gas, any gas that has the property of absorbing infrared radiation (net heat energy) emitted from Earth’s surface and reradiating it back to Earth’s surface, thus contributing to the greenhouse effect. Carbon dioxide, methane, and water vapour […]
Why does a spinning ice skater rotate faster is she moves her arms closer to her body?
Why does a spinning ice skater rotate faster is she moves her arms closer to her body? Angular velocity is a measure of how quickly an object is spinning. The principle of the conservation of angular momentum holds that an object’s angular momentum will stay the same unless acted upon by an outside force. This […]