Q4: Which of these human activities is most likely to cause the excessivegrowth of phytoplankton in the world's oceans? *

A.The use of chemical fertilizers that are carried by runoff into rivers.

B.The logging of old-growth forests, which results in erosion.

C.The spraying of chemical herbicides that reduce carbon dioxide in the air.

D.The mining of fossil fuels, which requires digging underground tunnels

Answers

Answer 1

Answer:

Answer:

C.The spraying of chemical herbicides that reduce carbon dioxide in the air.

Explanation:

The rapid growth of a microscopic marine alga in North Atlantic is a result of environmental changes such as the increase of carbon dioxide levels in water, a new study found.

Hope this helps!!!!!!!!!!!!!!!!

Forever friend and helper,

Cammie:)

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Organisms in the lowest trophic level of an ecosystem are always what ?

which long term environment change may cause may cause animals adapted to cold weather like polar to survive and flourish

Answers

Answer:

its Ice Age

Explanation:

An ice age is a long period of reduction in the temperature of the Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers. Earth's climate alternates between ice ages and greenhouse periods, during which there are no glaciers on the planet.

Answer:

Explanation:

What is created during the krebs cycle that is so important for the electron transport chain

Answers

During the krebs cycle NADH (Nicotinamide adenine dinucleotide) and FADH (Flavin adenine dinucleotide) are made and used in the electron transport chan. Hope this helps!

Evaluate the statement: "Scientists just perform experiments to prove what they already believe."

Answers

In a way, yes.

experiments need a hypothesis (this would correspond to "what they already believe") which has to be a specific proposal, not a question (e.g. turtles reproduce sexually)

their experiments proove (or, better said: test!) whether "what they already believe" is true.

Fill in the blank: ·In every energy transformation, some____ is released.
·When you climb a rope, you change ____ energy into ____ energy.
·In the muscle cells in your body, ____ energy is changed into ____ energy.
Any that you know would help!

Answers

In every energy transformation, some THERMAL ENERGY is released. When you climb a rope, you change CHEMICAL ENERGY INTO KINETIC ENERGY. In the muscles cells in your body, CHEMICAL ENERGY is changed into KINETIC ENERGY.
Energy can neither be created nor destroyed, because of this, energy usually remain constant but it can be converted from one form to another.

Which best describes a bird’s role as it eats seeds? parasite, predator, habitat, or niche?

Answers

The answer is niche. Niche is the role and position of species in the environment. Thus, bird’s role as it eats seeds is the example of niche. Habitat is an area inhabited by a particular species, so bird's role cannot be habitat. Parasite is an organism that lives on/in another organism (host) at the expense of the cost. Also, predator eats its pray. If a bird eats seeds, it is not parasite or predator.

The word which best describes a bird’s role as it eats seeds is: D. niche.

What is a niche?

A niche can be defined as the interrelationship that exist between a species of a living organism and a specific environmental condition such as the different abiotic and biotic factors affecting it.

This ultimately implies that, a niche describes the role and position of species of a living organism such as a bird in their habitat or physical environment.

In conclusion, an example of a niche is a bird’s role as it eats seeds.

Read more on niche here: brainly.com/question/17643283

True or false. Heterotrophs obtain energy through the process called respiration.

Answers

This statement is true. For example animals are heterotrophs and they obtain energy through cellular respiration.hope it helped you .Please mark as the brainliest answer if it helped.

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