What are the negative effects of the atmosphere? Acid rain, climate change and smog all damage the Earth surface. Contaminated water and gases seep into the earth, changing the composition of soils. That directly affects agriculture, changing crop cycles and the composition of the food we all eat. How do humans affect the atmosphere? Humans […]
Is it OK to run anaerobic?
What are the rules for swimming?
What are the rules for swimming? swimmer must break the surface. throughout the race. • May be completely submerged. during turn. • Arms in same horizontal. plane; •Elbows can be out at turn. and finish; •Head must break surface by. widest part of 2nd stroke; •One single butterfly/dolphin. each turn at any time prior to. […]
Can light be a reference frame?
Can light be a reference frame? In all reference frames that actually exist, light travels through space and time in a normal way just like any other object. According to Special Relativity, as a frame goes faster, it shortens more in the direction of motion, relative to the stationary observer. How did Einstein know that […]
Which is the densest of all layers?
Which is the densest of all layers? inner core What are the 4 layers of earth? Starting at the center, Earth is composed of four distinct layers. They are, from deepest to shallowest, the inner core, the outer core, the mantle and the crust. Except for the crust, no one has ever explored these layers […]
Which of the following is the most usable form of energy for future?
Which of the following is the most usable form of energy for future? Energy Business Review lists the world’s most used energy sources based on the share of each source to global energy consumption in the past five decades according to BP’s estimates. Oil has been historically the world’s most used energy source accounting for […]
What are the sources of error in this experiment?
What are the sources of error in this experiment? You are measuring against a standard, using an instrument that can never perfectly duplicate the standard, plus you’re human, so you might introduce errors based on your technique. The three main categories of errors are systematic errors, random errors, and personal errors. What is meant by […]
What is the change in momentum of a 3 kg object accelerating from rest to 12 m s?
What is the CMS system?
What is the CMS system? A Content Management System, or CMS, is a piece of software designed to help users create and edit a website. They have evolved to help design the look of websites, track user sessions, handle searches, collect visitor comments, host forums and much much more. What is CMS LHC? The Compact […]