What is conserved in physical changes?

shape

energy

mass

density

Which of the following cycles does not include the atmosphere as part of the cycle?

The rna molecule is made up of how many strands? 1 2 3 6 12

What is the definition of law of universal gravitation?

Imagine imagine a population of rabbits with fur color that ranges from black to white if this population were put in an area that has dark rocks that camouflage black rabbits as well as light stones that hide the white rabbits What would most

Explain the conduction of the heart?

Which of these microscopes would let you see the hair-like projections on the surface of a cell better? transmission electron microscope scanning electron microscope?

What is the summary of this section of we need batteries

A patient with single lung transplantation has a body temperature of 99° f, fatigue, shortness of breath, and an oxygen saturation level of 80 percent. which treatment may comfort this patient?

Which of these describes the Gulf Stream? A. A coral reef in the Pacific Ocean B. A sea floor trench in the Atlantic Ocean C. A strong current of warm water D. An upwelling of water at the poles

Which is true of the course of ADHD? Many adults have ADHD but were never been diagnosed in childhood. The majority of children with ADHD outgrow their problems before adolescence. Signs of ADHD are unlikely to be present before the age of two.