A. It provides the energy needed for the reaction.
B. It is a reactant in a chemical reaction.
C. It is not consumed by the reaction.
Answer:
C
Explanation:
A catalyst is a substance added into a chemical reaction, that aids in the increase of the chemical reaction without the catalysts undergoing any chemical reaction. Thus the catalyst and the beginning of the reaction (reactant) is the unchanged at the end of the reaction (products).
B) pollination
C) fertilization
D) seed production
Answer:
During cellular respiration, glucose breaks down into carbon dioxide and water. This process releases a store of energy, or ATP, that cells can use for their needs. Cellular respiration is a process by which glucose, or sugar, oxidizes intocarbon dioxide and water, releasing energy in the form of adenosine triphosphate (ATP).
Explanation: life?
melting and cooling
B.
plants or animals becoming trapped between layers of sediment
C.
compaction and cementation of sediment
D.
weathering and erosion
The processes which turn a sediment into a sedimentary rock are compaction and cementation of sediment.
Sedimentary rocks are formed by the agglomeration of sediments to form a large mass. These sediments are composed of the remains of plants and animals. As a result of this, sedimentary rocks a re useful in analyzing fossil records.
Sediments agglomerate to form sedimentary rocks under pressure via the process of compaction and cementation of sediment.
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The answer is C. Compaction and cementation of sediment, because sediment is powder, when something becomes cemented, it comes together, like cement, when you add cement to water.
Africa and Asia
Europe and Africa
Europe, Africa, and Asia
The Homo ergaster occupy Africa 1.6 million years ago. Therefore, option A is correct.
The oldest early humans known to have had proportions similar to modern humans, with relatively long legs and shorter arms compared to the size of the torso, are the early African Homo erectus fossils (also known as Homo ergaster).
At the onset of the lower Pleistocene and the lowering of the environment, Homo ergaster, sometimes known as the "working man," is an extinct species of hominid (or subspecies, according to some authorities) that existed throughout eastern and southern Africa between 1.9 and 1.4 million years ago.
Thus, the Homo ergaster occupy Africa 1.6 million years ago. Therefore, option A is correct.
Learn more about Homo ergasters, here:
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