Yes. Oxygen crash led to Cambrian mass extinction
Just take that photo and go to google home then google lens and press library and put the photo in and it will find something similar.
Answer:
A) Calcitonin injection
Explanation:
Parafollicular cells or C-cells of the thyroid gland produce a hormone which is involved in the regulation of calcium levels in the blood. This hormone is Calcitonin. It works in an antagonistic manner with the Parathyroid hormone (PTH). Calcitonin decreases the calcium level in the blood by increasing absorption of calcium ions in bones. In osteoporosis, when the patient is given the injection of hormone calcitonin, it produces and increase in bone mass because it negatively affects the rate of absorption of bone by the osteoclasts.
I'll say C, Science cannot answer difficult question...let me know.
B. the same number of chromosomes as the parent cell. - as a result of mitosis.
