A. The Aztecs were invaders and invaded the city called Tula. Tula was established where the abandoned Mayan cities were.
<span>Experiments</span>
An experimental research entails a
controlled test of a cause-and-effect relationship that researchers suspect
exists. Experiments involve a researcher directly controlling or manipulating
changes in the independent variable by exposing participants to the treatment
conditions. It is undertaken to make a discovery or test a hypothesis
Answer:
You can calculate it by adding up, for everyone in the country: The total value of goods and services ('output') produced; Everyone's income; Or what everyone in the country has spent.
Explanation:
At the level of 0.05% significance we can not reject the psychologist's claim. His claim is supported.
Explanation:
When a researcher undertakes a project to do research firstly he takes some random samples. Sample is definite a small group of numbers assume to represent the whole population. Suppose a researcher wants to do research on married couples to find the trend of divorce among them. For that reason he will randomly choose some of the couples and will draw conclusions that inter personal communication reduce the chances of divorce.
Now to establish this experiment as a fact he needs to go through a test of level of significance. Where he will get the result that his statement is established or rejected.
Answer:d.All of these answers are correct
Explanation:
What are focal adhesions?
Focal adhesions have multi protein structure which forms links between intracellular and extracellular matrix in cells.
They form on moving cells and they grow and mature as the cells keep moving they act as holding points when the cells are moving from one site to another to promote protrusion but supress membrane contractions. In those cells which do not move they act as anchors to keep fell morphology.
