The word is scapegoat in the blank is scapegoat.
Fossil
Explanation:
Fossils are the imprints or remains of living things that tells us the history of life in the geological past.
Fossils can also be defined as the preserved remains of dead organisms that once lived in geologic time past.
- Fossils can be body fossils which preserves part of the body of an organism usually the hard part.
- They can be trace fossils which are the preserved prints of organisms.
- They are usually used to trace the evolutionary history of an organism.
- The tell us about the climatic and environmental conditions of organisms that once lived.
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Answer:
True
Explanation:
This statement is true. Medical researchers at Harvard and Stanford universities found that leading a sedentary lifestyle (sedentary meaning minimal exercise with little movement) leads to a higher risk of health complications (which can be more prevalent in older age).
This finding strongly recommends that middle-aged people should undertake some form of regular exercise so as to not fall into the category of "sedentary".
Answer:
there's a ½ or 50% chance of their children will also be carriers of the sickle cell disease.
Explanation:
let IA = normal and IS =sickle cell
since both parents are carriers so it would be IAIS x IAIS
IAIS x IAIS
1 IAIA, 2 IAIS, 1 ISIS
Answer: b and e
Explanation:
Two solutions are isotonic to each other if the have the same osmotic pressure.
Since the cell is impermeable to sucrose, sodium and chloride ion outside the cell, For the solution inside the cell to be isoosmotic to the solution outside the cell, same 1M of sucrose should be added to the solution inside the cell to balance osmotic pressure.
If osmolarity is the concentration of a solution expressed as the total number of moles per litre, also the addition of an ionic 0.5M Na+Cl- to the solution inside the cell will also balance the osmotic pressure.
0.5M if NaCl will dissociate and create an equivalent 1M osmotic pressure inside the cell.
