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True [87]
3 years ago
12

5. Which characteristics means a happy and smiling appearance that create a positive mood?

Biology
1 answer:
abruzzese [7]3 years ago
6 0

5. B. cheerful

6. C. hip curve ruler

7. C. Ironing board

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Number of children is an example of a variable at the ratio level of measurement.
Whitepunk [10]
The answer is false.
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3 years ago
Plant viruses spread throughout the plant by way of __________. View Available Hint(s)for Part A chloroplasts plasmodesmata vert
KatRina [158]

Answer:

Plasmodesmata

Explanation:

Plasmodesmata are microscopic channels which traverse the cell walls of plant cells and some algal cells, enabling transport and communication between them. This is the path that viruses use to spread throughout a plant's system.

Hope this helped! :^)

7 0
3 years ago
A. Which form of nitrogen in the soil is NOT usable by organisms?
Colt1911 [192]

Answer:

A)Fixation. Nitrogen in its gaseous form (N2) can't be used by most living things

B) it can not be used because it most be converted or, ’fixed’  to a more useable form. To do this it goes through a process called fixation.fixation is the change in a gene pool from a situation where there exists at least two variants of a particular gene (allele) in a given population to a situation where only one of the alleles remains.

C) This form can be made more usable if it’s converted. It has to go through the process of fixation so the gene pool changes.

Explanation:

4 0
3 years ago
Read 2 more answers
Explain how cnidocytes with their nematocyst function in food capture and defense.
Darya [45]
It has a neurotic....which on hydric pressure....releases.....and paralise the prey......and thus able to eat or defense as well !
8 0
3 years ago
Each horizontal row in a pedigree chart represents a mating. a generation. several siblings. several characteristics.
Pavel [41]

Answer:

Option B, a generation

Explanation:

A pedigree is a tree diagram that represents the relationships between different individuals based on certain facts and medical(genetic evolutionary) histories. Basically , the branches of the tree represents the generations which allows the researcher understand how certain genetic characteristics or traits are transmitted with in a family

Such as transmission of any genetic diseases from one generation to the other.  

Hence, option B is correct

5 0
3 years ago
Read 2 more answers
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