1. nonrenewable resources are those that *
1 point
never run out.
take extremely long periods of time to replace.
have limited supplies.
option 2 and 3

2. coal, oil and natural gas are all considered *
1 point
renewable resources.
fossils fuels.
alternative resources.
clean fuels.

3. what are some of the possible environmental impacts of using fossil fuels? *
1 point
mining can disturb land and destroy habitat.
burning fossil fuels creates pollutants that contributes to acid rain and global warming.
nearby waterways can become contaminated in mining processes or spills.
all of the above.

4. which of the following are examples of non-metallic mineral resources that are extremely important in many industrial processes? *
1 point
coal, oil and natural gas
gold and silver
fluorite and sulfur
gneiss and marble

5. alternate energy sources are more enviornmental friendly than fossil fuels because they *
1 point
have lower or no carbon emissions.
use only renewable energy sources.
are cheaper.
are safer.

6. this source of energy is the most abundant in the world, is free and non-polluting. *
1 point
solar
wind
geothermal
nuclear

7. in the process of uranium-235 is split which releases heat energy that can be harnessed to create electricity. *
1 point
nuclear fusion
nuclear fission
nuclear decay
hydroelectric power

8. building a dam stores water in a reservoir behind the dam. this stored water can *
1 point
cause serious flooding anytime it rains.
prevent flooding since the release of water can be controlled through the dam.
be released through the dam to produce electric power.
option 2 and 3.

9. water covers nearly 71 percent of the earth's surface, however only about % of that water is available freshwater. *
1 point
10
6
4
1

10. a leaking storage tank that directly pollutes a stream is an example of a *
1 point
non-point source pollution
point source pollution

11. runoff that carries waste oil from streets is an example of a *
1 point
non-point source pollution
point source pollution

12. the layer of ozone in the stratosphere is important because it *
1 point
traps heat in the lower atmosphere
protects earth from harmful uv radiation
is a main contributor of global warming
is needed for photosynthesis

13. burning fossil fuels increases the amount of greenhouse gases in the atmosphere, specifically carbon dioxide, which leads to *
1 point
a hole in the ozone.
loss of habitat.
acid rain.
global warming.

14. over time, intensive irrigation for farming can lead to , which can make soil useless for plant growth. *
1 point
salinization
acid mine drainage
soil erosion
global warming.

15. what two laws were passed in the 1970's that protect our air and water? *
1 point
clean air act and the national ambient air quality standards
clean water act and clean air act
the resource conservation and recovery act and the safe drinking water act
superfund and endangered species act

: Option 2 and 3

2: fossil fuels

3: All of the above

4: coal. oil. natural gas

5: use only renewable resources

6: solar

the man above me had the same answer i just did it as well because it's the right answer i looked it up i hope he or i help you guys <3

why many students visually perceive stem as a vapid class?

for many students, however, stem subjects are optically discerned as vapid, tedious, and destitute of authentic-world applications. science and math have always been a major part of the high school curriculum, but many students have disengaged from these subjects because they don’t optically discern that they have any pertinence to the authentic world or students’ daily lives. for them, math and science have become a set of rules, procedures, laws, theorems, and formulas to memorize. some students even develop math apprehensiveness and cerebrate they are incapable of learning higher-level mathematics.

why is stem paramount?

as the u.s. economy changes, the ordinant dictation for stem-capable workers is growing. in may of 2014, the u.s. bureau of labor statistics counted more than 8.3 million stem jobs, which accounted for 6.2 percent of total employment in the cumulated states. that number is expected to perpetuate to increment as u.s. companies grow and innovate to compete in the ecumenical economy. according to the u.s. department of labor, the average salary for all stem jobs is $85,570, which is virtually double the average salary for all jobs.

many people still envision stem professionals as wearing a white lab coat and conducting research in a laboratory. in authenticity, some of the most in-demand stem fields are petroleum engineering, process engineering, and computer engineering. these fields that are experiencing shortages of qualified candidates are additionally among the highest paying, with the average petroleum engineer earning an annual salary of $147,520 in may 2014 according to the u.s. bureau of labor statistics.

in additament, stem subjects edify students valuable skills that are vital for prosperity in all vocations, even those that do not directly require stem erudition. engagement in stem subjects avails students develop quandary-solving, critical mentally conceiving, and leadership skills. these skills are so ecumenical, in fact, that statistics relinquished in the summer of 2013 by the u.s. census bureau designated that about three-quarters of the people with a bachelor’s degree in stem fields are not working in those vocations. many non-stem employers are poaching stem-qualified job candidates because they are more ingenious and collaborative than their non-stem counterparts.

as the ecumenical economy perpetuates to evolve, the desideratum for stem-capable workers will perpetuate to grow. by getting edifiers and students involved in the stem kineticism, an incipient generation of adroit workers will be poised to energize and expand this exhilarating field.

check this over.

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."