There are some insects that can walk on water, this phenomenon is possible because the water has surface tension. One animal that can walk on water is the lizard.
<span>A. a second group of scientists finding significant differences in the DNA of the two different subspecies </span>
An atom of chlorine has several valence electrons in its
Answer:
Independent Variable: Hours of sleep
Dependent Variable: Test scores
Experimental Group: Group A
Control Group: Group B
Explanation:
Hours of sleep is the independant variable because it is the factor being tested by the teacher. This is the factor that can be controlled.
Test scores is the dependant variable because it is the factor being affected by the changes in the independent variable. This is the variable being measured.
Group A is the experimental group because this is the one that has been altered or changed from what is normal.
Group B is the control group because nothing is being changed in this group but simply measured as a basis for comparison.
Answer: Representative of his cognitive development.
The preschool period refers to the years the age between 3 and 5 years considered as the preschool period. In this period Physical development occurs at slower pace than cognitive and psychosocial development. The maturation of brain of preschoolers continues. They demonstrate their ability to think more complexly by classifying objects by questioning. Children become aware of cause-and-effect relationships.
