Older oceanic crust, which is more dense than continental crust, has long since been recycled in the process of subduction. Credit: U.S. Geological Survey. Plate tectonics shapes the surface of our planet, but it also runs much deeper: Plate movement is the surface expression of convection in Earth's interior.
For the first question, i think the correct answer is A. Normal cells undergo apoptosis while cancer cells don't. For the second question, The answer is option B.<span> </span><span>Cell division has two checkpoints namely, G1
checkpoint and spindle assembly checkpoint. The checkpoint which determines if
division has properly occurred is the G1 checkpoint. At this point, is a damage
in the DNA is detected or the has not reach the optimum size, the cell is
stopped in G1 and is not allowed to proceed to further process.</span>
Answer:
1. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose.
2. Sun energy is converted into chemical energy called photosynthesis.
Explanation:
I hope it helps! Have a great day!!
Answer:
Adjust your day-to-day behaviors. To reduce energy consumption in your home, you do not necessarily need to go out and purchase energy efficient products. ...
Replace your light bulbs. ...
Use smart power strips. ...
Install a programmable or smart thermostat. ...
Purchase energy efficient appliances.
