The phrase "activities are based on" is correct and usable in written English.
It can be used to indicate that certain activities are derived from or influenced by specific principles, ideas, or criteria.
Example: "The educational activities are based on the latest research in child development."
Alternatives: "activities derive from" or "activities are grounded in".
Typical health impacts models that were used to assess the impact of these physically active transport activities are based on hypothetical scenarios with mostly linear correlation assumption on changes in the amount of active travel and the health gains (e.g. [12, 13]).
Other significant economic activities are based on farming and cattle breeding in the surrounding area.
We find that KT activities are based on relational rather than commercial activities.
All requests to use the Poorvu Center for meetings and other non-course related activities are based on availability of the rooms and other activities planned at the Poorvu Center that week.
These activities are based on flow theory: "Flow is very good for distraction, motivation and self esteem, giving the brain a rest from anxious thoughts," says Jenkins Dr Christine Langhoff, a clinical psychologist running a private perinatal service in London, uses cognitive behavioural therapy, mindfulness and other therapies.
Existing mitigations to address deterioration in water clarity associated with human activities are based on responses from single seagrass species but may not be appropriate for diverse seagrass assemblages common to tropical waters.
The instructional design of such learning activities is based on a constructivist approach of learning.
This account of his activities is based on interviews with American military and intelligence officials and businessmen in the region.
The equivalent activities were based on the activity of pure rutin.
According to the detective, Mr Coleman's alleged role in controlling its illegal activities is based on mobile phone evidence.
The rationale for assaying enzyme activities is based on the premise that changes in activities reflect changes that have occurred in a specific tissue or organ.
