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Earth's outer core is liquid MOSTLY because of its - -temperature Some large rivers, such as the MS River, form a delta where they meet the ocean, with land forming that extends into the sea. The formation of the delta is the result of erosion upstream where the flow is energetic and _____ where...

The origin of water on Earth is not yet fully understood. To test one of the hypotheses, scientists launched a gigantic observational balloon to the height of almost 130,000 feet to measure the amounts of water in comets and asteroids based on the light reflected from these objects. The science BE...

physics - -the study of forces, energy, motion Chemistry - -study of atoms and molecules, their structures, and their interactions to form various substances. Earth Science - -Earth's structure and composition, as well as the processes that change Earth, such as volcanic and seismic activity. ...

Classify each example as a mechanical wave or an electromagnetic wave. Light from a flashlight. Wave in a rope. A wave in a slinky spring. The signal from the button you press on the key fob to lock your car doors remotely. - -Light from a flashlight - electromagnetic Wave in a rope - mechanic...

What change occurs when water is evaporated off the sidewalk? - -Physical Change In what state is matter compressible? - -Gas How is a compound formed? - -Electrons are transferred or shared between atoms What is shared or transferred when a chemical bond is formed? - -Valence Electrons Ion - -S...

What are two examples of phenomenon that are considered physical science? - -Periodic rises and falls of the sea levels (tides) Mineral deposits in West Africa Chemistry - -Focuses on the study of atoms and molecules, their structures, and their interaction to form various substances. Physics -...

1. Which statement BEST describes how the different physical sciences are related? - -Issues mainly in one science often involve issues in the other sciences. 2. Which field of science would primarily be used in studying the details of how moving water flowing around an object such as a pebble ca...

The details of how moving water flowing around an object such as a pebble can exert enough force to lift it and carry it. - -physics The detailed mechanisms by which acidic pollutants in the river water change limestone, which does not dissolve, into partially soluble material, causing a large ro...

A car is moving forward and its brakes are being applied. Which of the following is true? A. The car's velocity is forward, and its acceleration is forward. B. The car's velocity is backward, and its acceleration is forward. C. The car's velocity is backward, and its acceleration is backward. ...

Iron ore consists mainly of iron atoms and oxygen atoms joined to each other to form several different possible forms of iron oxide. Which branch of physical science MOST directly deals with developing ways to remove the oxygen from iron oxide, thus leaving iron metal? - -earth science Which fiel...

What force caused the hydrogen, helium, and lithium formed from the big bang to collect and form stars, planets, and other objects, as well as to form the different elements than hydrogen making up these objects? magnetism gravity chemical bonds inertia - -gravity What process generates the e...

A mathematical model is u7sed to predict the trajectory of a bullet fired from a gun. Which discipline of physical science is used to develop this model? - -physics an environmental scientist monitors pollutants in a lake. Which two disciplines of physical science does this scientist use? - -chem...

The study of energy and forces of matter - -Physics The study of the properties of matter and how matter changes; atoms, molecules and their interactions to form substances - -Chemistry the study of the moon, stars, and other objects in space - -astronomy The scientific study of earth and the un...

Iron ore consists mainly of iron atoms and oxygen atoms joined to each other to form several different possible forms of iron oxide. Which branch of physical science MOST directly deals with developing ways to remove the oxygen from iron oxide, thus leaving iron metal? Chemistry Which field of p...