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gregori [183]
2 years ago
9

What were the subgroups to plants

Biology
1 answer:
dlinn [17]2 years ago
5 0

Explanation:

The division comprises a tremendous diversity of plants among its four subgroups: psilopsids, leafless and rootless primitive forms commonly known as whisk ferns (though not true ferns); sphenopsids, feathery leaved plants commonly called horsetails; lycopsids, low-lying plants called club mosses; and pteropsids, 

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Uterine contractions that increase in intensity and regularity, and result in changes to the cervix are contractions of Labour. This is further explained below.

<h3>What are Uterine contractions?</h3>

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In conclusion, This is seen during childbirth.

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Answer:

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The correct answer should be constructive forces.

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