Answer:
Blood vessels constrict
Explanation:
On seeing danger, impulses are sent to the adrenal medulla. It responds by secreting adrenaline into the bloodstream. This results in the following:
- Increased heartbeat
- Diversion of blood from alimentary canal and skin to skeletal muscles.
- Increased breathing rate and depth
- The liver releases more glucose.
These changes increase energy production especially in the skeletal muscles and prepare animal for sudden fight or flight.
Answer:
The two ways you can value a task are - positively or negatively
Explanation:
The two ways you can value a task are - positively or negatively
With fear of failure or with hope of success are the two types of expectations.
As per psychology, if the task is as per your comfort, we value it as a positive task that we can readily do, and when it is out of our comfort zone, we readily agree that is a negative one.
1. the continents seemed to be put together like a jigsaw puzzle also the evidence of tectonic plates moving in our crust
2. Continental drift was a theory that explained how continents sift position on earth's surface
3. one of the issues with the theory that geologist at the time had, was that Wegener was not a geologist. He was publishing a theory that wasn't associated with his field of science. The other issue the geologists had was based on the commonly held opinion
4. Continents move about the earth like huge ships at sea, floating on pieces of the earth's outer skin, or crust. New crust is created as melted rock pushes up from inside the planet. Old crust is destroyed as it moves toward the hot rock and melts.