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Nina [5.8K]
4 years ago
9

What are 5 major environmental challenges?

Biology
1 answer:
Temka [501]4 years ago
8 0
Deforestation, Climate change, Pollution, Overpopulation, and Animal Extinction.
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Define phanerograms with examples.​
BlackZzzverrR [31]

Answer: Phanerogams are plants that have special structures for reproduction and generate seeds. Also, according to if the seeds are enclosed in a fruit or not, phanerogams are divided into gymnosperms and angiosperms.

Explanation:

Hope it helps you if not sorry

7 0
3 years ago
(10 points) One of the accepted scientific theories describing the origin of life on Earth is known as chemical evolution. Accor
vodomira [7]

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Synthesis of organic molecules

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Question 2<br> an<br> Earth receives its energy from the Sun in the form of
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The energy Earth receives off the sun is Solar radiation
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Levodopa has a relatively short half-life and interruption of administration of the drug can result in abrupt loss of therapeuti
Hatshy [7]

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5 0
3 years ago
Little Jimmy drank 4 different energy drinks and water. After each drink he timed himself running the 50 yard dash. The water in
Mekhanik [1.2K]

Answer:

Water is a control

Explanation:

From the question, the independent variable is energy drink and the dependent variable is running 50 yard of ash.

An independent variable is a variable that can stand alone in an experiment.

Dependent variable is a variable that is beeping altered, tested and measured and it's dependent on the independent variable.

The running of 50 yard Yash depend on the energy drink which is independent.

Water is a control because it is not tested for dependent variable and it's minimize the effect of dependent variable. This is because the energy drink give energy to run 50 yard Yash and that is the dependent variable.

7 0
4 years ago
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