What is the sientific name for the layer of gas that sarounds the earth?

According to the passage a mound is

Explain the importance of volunteering in Islam

A coin is tossed 8 times. What is the probability of getting all tails? Express your answer as a simplified fraction or a decimal rounded to four decimal places.

In the last hour, Ellie observed 32 monarchs, 56 gulf fritillaries, and 8 giant swallowtails visit her butterfly garden. If 480 butterflies visit her garden, how many can we expect will be giant swallowtails?

Lethargic : vital : : trite :

To the north of Ginnungagap it was bitterly cold. (20) Nothing was there but fields of snow and mountains made of ice. To the south of Ginnungagap was a region where frost and snow were never seen.

Harold is participating in a meditative yoga class. What kind of brain wave would you expect Harold to display? theta wave beta wave alpha wave delta wave

The number of work stoppages in the automobile industry for selected monthes are 6,0,10,14,8,0. What is the median number and what is the modal number?

If z=3x^2 and x=y+5, then what is z in terms of y

Whats a Gliding Joint