Answer: internal organs
Explanation: since this creates contractile component of the digestive, urinary, and reproductive systems plus air ways and arteries
The issue of whether human activities cause global climate change is indeed a controversial topic. The limitation to climate research that could be overcome through scientific design is "Data from a wide range of time periods must be analyzed." Very powerful, or Super Computers, are required to analyze large amounts of data. The sooner more powerful computers are developed, the sooner data from the wide range of time periods can be analyzed. This will give scientists a better idea of the extent of global warming, if any, and how to prevent it.
Answer:
B
Explanation:
A survey is used to vary people into different categories, normally scientist conduct it.