Swahili is spoken by a majority of the people in sub-Saharan Africa.
A ! The body provides oxygen and nourishment etc etc
A theory is a conclusion that is drawn from observations and experiments, but a law provides an explanation. this is the answer strictly because within science everything can be proven wrong nothing is set in stone
<span>Economic planning is a resource allocation mechanism that is contrasted with the market mechanism. As a coordinating mechanism for socialist economics, economic planning substitutes factor markets and is defined as a direct allocation of resources. This is contrasted with the indirect allocation mechanism of a market economy. There are various types that economic planning procedures and forms planning can take.</span>
If the manipulation of the independent variable causes a change in the dependent variable, covariance is established.
