Who is a Filipino senior research scientist who worked at NASA of the United States as a emeritus scientist.

What color or the star is the hottest

What color of the star is the coolest

It provides relief from the discomfort caused by sunlight.

The continuous movement of water from liquid form to gas, then back to liquid is called

The moon's nearness to Earth causes

Caused by severe heat, a person does not have to be under the sun to suffer from this.

The heat of the sun can dry the fluids in the boy and can cause

Prolonged exposure to the sun may cause _____________.  A person suffering from sunstroke may feel confused

Hot or cold freshwater that directly come from underground

bodies of flowing freshwater.  They are usually smaller in width and shallower than a river.

formed by rain, melting snow, and ice, or groundwater from springs

large, natural flowing freshwater that go toward the sea, lake or another water channel

freshwater that flow down the side of mountains or hills in avertical or nearly vertical angle

inland bodies of freshwater that are almost totally surrounded by land

inland bodies of fresh water where freshwater fishes are being bred

biggest bodies of saltwater that hold most of Earth's water

smaller bodies of saltwater where the land and ocean meet

they are sources of other water forms found inland

It is home for badgers, coyotes, bison, insects, lizards, and antelopes

Are home to midges, snow flea, copepods, iceworms, rotifers, and tardigrades

May serve as ports or harbors, which are essential in transporting goods

Central Luzon is an example of

bodies of land that extend to the sea or ocean with only a small part connecting them to the mainland

They make excellent farmlands because of fertile soil

Low of this area are often used in farming, whereas  high of this areas are suitable for grazing animals

low lands surrounded by mountains or hills

the elevated part of the crust forms

part of the crust that is underwater is 

Crust is how many kilometers thick