Global warming 6 and 3&4

are a type of radiation that can pass through most solid materials. They are used by doctors to examine the bones or organs inside your body and are also used at airports to see inside people's luggage.

x- rays

a short quick draught, gust, or emission, as of wind, smoke, air, etc, esp a forceful one;

puff

any newspaper or periodical, as one dealing with scientific or professional matters

journal

incapable of being escaped or avoided;

inescapable

Pol. rdzeń lodowy

ice core

Something that is ____ provides a firm conclusion that cannot be questioned;

definite

In geology, _____ is the process by which the land is covered by glaciers

glaciation

the interval of time between two events, esp between an action and its effect;

lag

_____ are atoms that have the same number of protons and electrons but different numbers of neutrons and therefore have different physical properties.

isotop

the other way round;

the wrong way round

Pol. drzewo iglaste

coniferous tree

Pol. drzewa liściaste

broad

one billion tons

gigaton

A _____ is the most experienced, or most successful of an elite group of people who work together as peers in an academic setting or institution

senior fellow

a place where a great stock of anything is accumulated

reservoir

If a substance ____ in liquid, it becomes mixed with the liquid and disappears.

dissolves

to compress and pull inward;

suck in