BIOLOGY HIGH SCHOOL

Lithium, sodium and potassium are all in group one on the modern periodic table.
Explain why.

Answers

Answer 1
Answer: It is because all these three elements contain ionic properties and they have only one element in their outermost shell

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In the thylakoid membranes, light strikes pigments in photosystem II and is absorbed by ___________.
The most accepted theory regarding the make-up of living things is the _____. organismal theory cell theory chromosomal theory
What will happen to the frequency of the recessive allele for the HbS gene when there is an outbreak of malaria?
Why does fossil fuel use in the United States make the U.S. vulnerable to the political wishes of foreign countries?A: The US is a net exporter of fossil fuels. B: Fossil fuels lead to global climate change. C: The US imports much of its petroleum from foreign countries which set the prices. D: All of the above.
into which group would you place a multicellular organism that has a mouth and lives inside the human liver

How old is a rock that has 70% of it's original K-40

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The correct answer is 0.2167 billion years old. Hope thsi helps.
35% i know that for sure

In 2-3 sentences, summarize your model as if you were explaining it to your friend. Explain to your friend the amount of energy and matter that passes from trophic level to trophic level.

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Answer:

I can not answer this question, I do not know what you're model is.

How to find the communicator parts in animal crossing

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Answer:

Each communicator part is located somewhere on the various beaches of your island. You'll know if you're near one, because a small jet of water will emerge from the sand. To find all five communicator parts, simply walk up and down the beaches of your isle, digging up every spot that has water emerging from it

Cell is to cytoplasm as mitochondria is to

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The cytoplasm is the inside of the cell that houses it's contents as such cytoplasm is to cell as MATRIX is to mitochondria.  The matrix like the cytoplasm is the site of metabolic reactions in the mitochondrion as well as the DNA and enzymes are found in the matrix like the cytoplasm.

The cytoplasm in a cell carries out a function similair to which human system

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Cytoplasm holds all the organells in place
Fat does the same thing but thoughout the human body

1. A flexible, supporting structure found only in chordates is the A. nerve net
B. notochord
C. pharyngeal slits
D. dorsal fin.

2. Ancient chordates are thought to be most closely related to which of the following species?
A. spiders
B. earthworms
C. octopi
D. sea stars

Answers

A flexible, supporting structure found only in chordates is the notochord. The correct option among all the options that are given in the question is the second option or option "B".

Ancient chordates are thought to be most closely related to sea stars. The correct option among all the options that are given in the question is the last option or option "D".

The notochord is a flexible, supporting structure found only in chordates. Ancient chordates are most closely related to octopi.

The correct answer for the first question is B. notochord. The notochord is a flexible, supporting structure found only in chordates.

It provides support to the body and serves as a precursor to the vertebral column in vertebrates. Examples of chordates include fish, birds, and mammals.

The correct answer for the second question is C. octopi. Ancient chordates are thought to be most closely related to cephalopods like octopi.

Both groups share certain characteristics in their body structure and development.

Learn more about chordates here:

brainly.com/question/33451364

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