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Vinvika [58]
3 years ago
7

Digging up ore, cole, or other material from deep within the Earth is

Biology
1 answer:
jonny [76]3 years ago
4 0
The answer is B sub-surface mining
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Well the power equal weight divide by time, so the question is talking about what is the value of the power if ur weight increased by 20 kg and the time taken to climb hasn't changed
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3 years ago
Which of these statements is true concerning the usda animal welfare act?
Nimfa-mama [501]
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4 years ago
The water cycle is also referred to as the _______ cycle.
mamaluj [8]
Answer=B

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3 years ago
Fetal vertebrae develop through endochondral ossification from a preexisting __________ model. The second step of repair of a fr
navik [9.2K]

Answer:

1. hyaline cartilage

2. a fibrocartilage

Explanation:

In endochondral ossification to produce fetal vertebrae, cartilage is substituted with a bone. The process of endochondral ossification includes the development of hyaline cartilage, also called the cartilage model. The hyaline cartilage develops from the chondroblasts derived from mesenchymal cells. The division of chondroblasts results in the growth of hyaline cartilage. It is followed by the development of the primary ossification center wherein the cartilage tissue is replaced with the bone matrix.  

During the repair of these bones, a fibrocartilage callus is formed. Fibroblasts present in the site where the bone is broken produce collagen fibers and the cells derived from periosteum develop into chondroblasts and begin to produce fibrocartilage in this region. The fibrocartilage and collagen fibers together make the fibrocartilage callus that joins the broken ends of the bone.

7 0
4 years ago
1. Write a sentence explaining the relationship between the words DNA, genes, and chromosomes.
grin007 [14]

Answer:

45x7892

Explanation:

jake pale win again ben csucksg

5 0
3 years ago
Read 2 more answers
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