Answer:
B. Hominins evolved an opposable thumb that enabled hands to grasp objects.
Explanation:
Prehistoric hominids evolved opposable thumbs earlier than bipedal walking. The opposable thumbs have been critical during evolution because this position enables the digits to grasp and handle objects.
it is the example of scavenger
Answer:
The osteoblasts, which should have been building the new bone
Explanation:
Osteoblast are the cells that build bones by secreting the extracellular matrix for bone tissue. These cells secrete components such as collagen fibres and inorganic electrolytes that together make the matrix of bone tissue. Absence or inactivity of these cells could prevent the formation of new bone after fracture. Hence, doctors should target osteoblasts.
Glucose change to compounds
Answer:
By reducing the emission of CFC's gases.
Explanation:
The Greenpeace organization monitoring the situation with ozone by reducing the emission of CFC's gases that causes depletion of ozone layers. This organization reduces the use of fossil fuels and promoting renewable energy in order to prevent changes in the climate. The Greenpeace organization ensures the use of those machines which can't produce CFCs and HFCs because one chlorine which is present in these gases destroys 100000 ozone molecules.
