scuba
earth layers
volcanoes
latitude/lngitude
plate tectonics
100

what happen if I ran out of air 

Your friend will assist you if not, you can do an emergency ascent 

100

What is the outer layer of the earth 

It is the crust Earth crust made up of hard rock only part humans can see 

100

Why do volcanoes erupt

volcanoes erupt when molten rocks called magma rises to the surface

100

What is the difference between latitude and longitude

Latitude run north-south longitude east-west 

100

which is the correct order for the layers of the earth 

the inner core,outer core,the mantle,and the crust
200

how long will my dive last

at lease 45 min before going out to surface

200

What are the different parts of the earth 

The crust,The mantle,The outer core,The inner core 

200

How many volcanoes are there

There are about 1,350 potentially active volcanoes 
200

why is it important to give a city complete Coordinate when describing its location  

Coordinate of longitude and latitude help pinpoint the absolute location of a peroson place

200

which is thinnest layers of the earth 

the crust

300

how deep I have to dive

130 feet the basic open water scuba diving can be around 60 feet

300

How many layers are there in the Earth

Three layers

300

what is a pyroclastic flow 

A dense,destuctive mass of very hot ash,lav fragnents 

300

why are there different time zones from one Geographic are to the next 

As earth rotates,different parts receive sunlight or darkness giving use day and night 

300

What is slab pull

The pulling force example by cold dense oceanic plate planing into the mantle due to its own weight 
400

Can i still learn to dive if i do not have buddy 

Every diver must look at the risk of every dive and determine if it is worth doing it 

400

What is the depth of the inner core of the earth 

The core is found about 2,900 kilmoters

400

What is a volcanic eruption

An intermediately violent type of explosive eruption 

400

The 0 degree lines of longitude that divides eastern and western Hemispheres is 

The prime meridian 

400

where are earthquakes created 

near the plate boundaries

500
Will there be dangerous marine life 

very rarely do any pose a danger to humans 

500

how deep earth crust

approximately 5-70 km

500

What is the diffrence between lava and magma

Scientists use the term magma for molten rocks that is underground and lava for rocks breaks through earth surface

500

how many parts does the equator divide the earth into 

two 

500

which is lighter oceanic or continental crust

is broadly granitic is composition and with a density 9.7 grams per cubic  cm