Quarter 2-5 week exam

Question 1

What percentage of the suns energy is absorbed by earth

Answer 1

approximately 50%

Question 2

Why are wind turbines, solar panels and geothermal considered examples of renewable energy

Answer 2

because they are inexhaustible

Question 3

what are 3 types of coal

Answer 3

lignite, bituminous, and anthrecite

Question 4

What is the most heavily use energy source in the US today

Answer 4

coal

Question 5

How does conserving electricity pertain to the sustainability of nonrenewable resources

Answer 5

if we use them less they will last longer (conserving)

Question 6

proccess by which mined land is returned to its original state or better …

Answer 6

reclamation

Question 7

Environmentalist oppose the mining of aunt arctic mineral resources because…

Answer 7

because the Antarctic environment is extremely fragile and because of the extremely cold temps. it takes a very long time for things to grow back, therefore, making reclamation a very long and difficult process

Question 8

Ozone in the stratosphere is important to organisms at earth’s surface because ozone molecules are very strong absorbers of…

Answer 8

ultraviolet rays

Question 9

which rock type makes a good rock for oil and gas reservoirs?

Answer 9

igneous rock is the best! the second best is metamorphic. but sedimentary rocks sould NOT be used

Question 10

Heavy elements (uranium, Platonian) are split apart in what process that releases energy

Answer 10

nuclear fission

Question 11

Which gas is a greenhouse gas that has increase in earths atmosphere partly as a result of deforestation in the last 100 years

Answer 11

carbon dioxide (also methane, CH4)

Question 12

Which process most popular produced the irregularly shaped boundary between the limestone in the shale

Answer 12

erosion, water erosion

Question 13

Which sequence shows the relative ages of gabro, granite, and shist from oldest to youngest

Answer 13

schist, granite, gabbro

Question 14

what is NOT true about Non renewable energy resources

Answer 14

that they are cheap (they are less expensive than alternative energy yet still very expensive), we have the technology, and that we don’t ned to figure out how to solve our waste &laquo_space;these are all NOT true

Question 15

Which agent is the mainly sponsorable for the formation of the Grand Canyon

Answer 15

water erossion, running water

Question 16

approximately how many million years ago was the coconio sandstone deposited as a sediment?

Answer 16

251-299 (because it is in the permian period)

Question 17

fossilised jellyfiah are most likely going to be found in which type of rock?

Answer 17

sedimentary

Question 18

Why is volcanic ash layer a good geologic time marker for correlating rock layers

Answer 18

because it kinda serves as a index fossil. This is because the ash spreads over a large part of land and occured only for a very breif period in history (like index fossils). the ash is able to be identified within rock layers and used to match up rock layers and serve as age markers. (ash serves as a key bed)

Question 19

reffering to the Cambrian as an era is scientifically incorrect. state the unit of geological time that should be subsituted for “era”.

Answer 19

it should be a period !!

Question 20

Identify one group of animals that became extinct at the time of the intense uplifting of the Andes mountains

Answer 20

dinosaurs