A researcher is studying the impact of different community activities on natural resources. Which activity is correctly paired with the level of impact it has on natural resources?

A.little impact when humans exclusively use fossil fuels for power needs
B.great impact when humans use alternative water sources for nondrinking functions
C.little impact when humans plant different types of trees for different uses
D.great impact when humans maintain a diverse diet that includes various protein sources

Answers

Answer 1
Answer:

Answer: B. great impact when humans use alternative water sources for non drinking functions.

Great impact when humans use alternative water sources for non drinking functions is the correct option because use of alternative water sources can deplete the overall available water for the present as well as for the future generation of the human population. This is against the concept of sustainable development which suggests that natural resources should be used in such a way so that these can meet the needs of the present population as well as that of future generation.

Answer 2
Answer:

B) Great impact when humans use alternative water sources for nondrinking functions


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The developmental period during which a being grows from a single cell to an organism complete with brain and behavioral capabilities in 9 months is called

4. Answer the following questions in detail. Mention any four causes of deforestation. ​

Answers

Answer:

agricultural expansion,wood extraction,infrastructure expansion, climate change

The enamel of your teeth is the inside coating.


TrueFalse

Answers

False, it is the very hard, protective outside layer of your teeth

Answer:

The answer is false.

Explanation:

Enamel is the outside coating.

Match the definition with the correct term: narrow, deep bay with steep walls.Emergent

Lagoon

Barrier island

Fiord <-----My answer. Is this correct?

Answers

D is correct answer to this.

How did the land, atmosphere, and oceans of earth form?

Answers

They formed by the Big Bang.The oceans formed by  comets.Hope this helps.

What type of consumer is a ladybug?A. decomposer
B. primary consumer
C. secondary consumer
D. tertiary consumer

Answers

The correct option is C.
Secondary consumers are those consumers who feed on primary consumers. Ladybug feed on soft bodied insects such as aphids. Aphids are pest and they feed on the crops which farmers planted, ladybug in turn feed on these aphids.

Answer;

C. secondary consumer

Explanation;

-Secondary consumers are largely comprised of carnivores that feed on the primary consumers or herbivores

-A ladybug is a secondary consumer. It eats plants and small insects that destroy plants. The small insects that it eats include aphids, which makes ladybugs good for the garden. Ladybugs, in turn, are eaten by other animals such as frogs.

Which structures carry out life functions within cells?

Answers

The specialized features of a cell that carry out cell functions are collectively called organelles. Examples of organelles include the nucleus, ribosomes, mitochodrion and golgi aparatus. 

Final answer:

The structures carrying out life functions within cells include organelles such as the mitochondria, peroxisomes, a cytoskeleton composed of microfilaments, intermediate filaments, and microtubules, the nucleus, and components of the endomembrane system.

Explanation:

The structures that carry out life functions within cells are often referred to as organelles. Among them, we find the mitochondria and peroxisomes which are essential for the cell's energy and detoxification processes. Mitochondria, through biochemical reactions, transform energy-carrying molecules into ATP - the cell's primary form of energy. Peroxisomes, on the other hand, detoxify harmful substances into harmless ones.

Moreover, cells possess a supportive framework, referred to as the cytoskeleton, made up of microfilaments, intermediate filaments, and microtubules. These all play unique functions, including providing a track for material transport within the cell.

In addition to these, the nucleus serves as the cell's command center, housing its DNA and controlling all cell functions. Last, but not least, we encounter the endomembrane system (including the ER and Golgi apparatus) and the cytoplasm - all essential for the cell's protein synthesis and transportation, and maintaining the cell's health and activity.

Learn more about Cell Organelles here:

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