The tectonic plates<span> are made up of </span>Earth's<span> crust and the upper part of the mantle</span>layer<span> underneath. Together the crust and upper mantle are called the lithosphere and they extend about 80 km deep.</span>
An image is formed due to reflection of light by a plane mirror. In a completely dark room there is no light so no image will be formed by the mirror placed in the room. Hence we will not be able to see our image in a mirror placed in a completely dark room.
After he ate, glucagon from the cookies increased his blood sugar levels
Insulin was secreted after he ate the cookies because his blood glucose was high.
Answer:
I
A number of human activities can impact on the water cycle: damming rivers for hydroelectricity, using water for farming, deforestation and the burning of fossil fuels
Explanation:
Answer:
Resistance of corn plants to insects.
Explanation:
