Answer:
medulla
Explanation:
Medulla: The term medulla is also denoted as medulla oblongata and is considered as one of the main parts of the hindbrain which is responsible for carrying out functions that are considered as necessary for survival including motor activity, wakefulness, respiratory rhythm, and sleep.
Any damage to Medulla oblongata can lead an individual to face cease in breathing and heartbeat that can even cause death.
In the question above, the given statement represents the medulla.
answer:
the earth's mass would cause a very small perturbation in the period
explanation:
- orbits would be closer to the sun, orbital velocities much higher and the temperatures on all planets would be much higher
Answer:
instrumentation
Explanation:
Internal Validity
this is the rate of knowing or certainty that a change in the dependent variable (DV) happens or occur due to manipulations. It is the rate at which an experiment is free from extraneous variables.
There are different threats to internal validity. They includes;
1. Maturation
2. History
3. Regression
4. Attrition
5. Testing
6. Instrumentation
Instrumentation threat happens due to only when the pretest and posttest are not sufficiently equivalent. That is simply when the instrument usually called the observers that was used on the posttest and pretest is not the same (differ). This method is what researchers use to test changes over time.
