Answer:
C. Both A and B describe errors in the statement.
Explanation:
In fossilization i.e formation of fossils, two terms are used as follows: permineralization and petrification.
- Permineralization is a process whereby the pore spaces of an organism's remains are filled with mineral matter that precipitates from lake and ocean solutions.
- On the contrary, petrifaction or petrification is the process whereby a once-living tissue (matter) are REPLACED by minerals, hence, preserving the organism's structure by turning it into a stone (petros).
According to this question, the student mixed up their definitions by giving the definition of permineralization instead, however, options A and B have described the errors associated with the statement.
Answer:
In a colony, the king and a queen are responsible for reproduction. Workers spend most of their time caring for the other termites and building the nest. Soldiers protect the nest from attacks.
Explanation:
Fogaging
Most of the earth's carbon and sulfur can be found in the ocean sediments.
In the rostral medulla, if the lesion designated by the hash marks affected the anterolateral and dcml pathways, the side of the body that would have impairments associated with these sensory modalities is<u> left</u><u>.</u>
<h3>What is rostral medulla?</h3>
The rostral medulla (RM), or ventromedial nucleus of the spinal cord, is a group of neurons located close to the midline on the floor of the medulla oblongata.
The rostral medulla sends descending inhibitory and excitatory fibers to the dorsal horn spinal cord neurons.
Thus, in the rostral medulla, if the lesion designated by the hash marks affected the anterolateral and dcml pathways, the side of the body that would have impairments associated with these sensory modalities is<u> left</u><u>.</u>
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metalic
Explanation:
Atoms having a valence of electron of 1 or 2 are metals. They belong to the first and second group on the periodic table.
In metallic bonds, atoms of metals and alloys joins together.
- The formation of this type of bond is favored by the low ionization energy and a large number of electrons in the valence shells.
- The bond is an attraction between the positive nuclei of all closely packed atoms in the lattice and the electron cloud jointly formed by all the atoms losing their outermost shell electrons.
- Most physical properties of metals can be accounted for by this type of bonding.
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