Answer: The first civilization that created the concept of zero were the Babylonians but the Babylonians were influenced by Sumerians, the ones who created the first counting system. If anything Americans got a hold of what the counting system was like (the one that contained zero in it) and claimed it as theirs.
Explanation:
Answer:
B
Explanation:
People do good things when people are watching i hope this is right :)
Answers – Distribution; Abundance
Ecologists are primarily concerned with the distribution and
the abundance of living things (people, plants and animals) in the environment,
<span>and the relationships between these
living things and their environment. They are concerned with the
ecosystem as a whole.</span>
Answer:
Demographic change can influence the underlying growth rate of the economy, structural productivity growth, living standards, savings rates, consumption, and investment; it can influence the long-run unemployment rate and equilibrium interest rate, housing market trends, and the demand for financial assets. Moreover, differences in demographic trends across countries can be expected to influence current account balances and exchange rates. So to understand the global economy, it helps to understand changing demographics and the challenges they pose for monetary and fiscal policymakers.