Explanation :
The modern form of calculating any parameter is called the international system of units.
Meter, kilogram, Newton etc are the SI units of length, mass and force respectively. To express any quantity it is required to first convert it into SI units.
The length, breadth, distance and height of an object is measured in meters.
For example, Newton is the SI unit of force. Force is the product of mass and acceleration. The SI unit of mass is Kg while the SI unit of acceleration is 
. So, the Newton is equivalent to 
.
Answer:
true
Explanation:
Pollen grains help scientists identify plants and make assumptions on past climate conditions. understand tree growth and make assumptions on past climate conditions.
Answer:
SA node
Explanation:
The SA node (called the pacemaker of the heart) sends out an electrical impulse. The upper heart chambers (atria) contract. The AV node sends an impulse into the ventricles. The lower heart chambers (ventricles) contract or pump.
If ocean currents were to stop, climate could change quite significantly, particularly in Europe and countries in the North Atlantic. In these countries, temperatures would drop, affecting humans as well as plants and animals. In turn, economies could also be affected, particularly those that involve agriculture.
Answer:
contain only prokaryotic organism.
