What are the keywords in the following sentence? there are major types of organisms in aquatic systems
organism, system, type

What are the keywords in the following sentence? type of place of worship of artwork featuring a temple or place of worship and religious elements
element, feature, temple, type, worship

What are the keywords in the following sentence? thermal image revealing the heat of the exhaust and tyres of a speeding car
car, exhaust, image, reveal, tyre

What are the keywords in the following sentence? the road rises steeply according to the form of the mountain .
mountain, rise, road