Answer: All planets orbit the sun in the same direction
Explanation: It’s the only true pattern listed there.
As fas as i remember 20% of whole cell is RBC
so the answer is 2×10^13 !!
Answer:
A factor of an experiment is a controlled independent variable; a variable whose levels are set by the experimenter. A factor is a general type or category of treatments. Different treatments constitute different levels of a factor
An experiment has several types of variables, including a control variable (sometimes called a controlled variable). ... A control variable is another factor in an experiment; it must be held constant. In the plant growth experiment, this may be factors like water and fertilizer levels.
Explanation:
