The phrase "activities are introduced" is correct and usable in written English.
It can be used when discussing the initiation or presentation of various tasks or events in a specific context, such as in educational or organizational settings.
Example: "In the workshop, various activities are introduced to engage participants and enhance their learning experience."
Alternatives: "activities are presented" or "activities are launched".
CM fundamentals and related engineering activities are introduced briefly.
To describe the non-ideal mixture behaviour, liquid-phase activities are introduced.
Towards the end of the day, physical exercise and craft activities are introduced as the pupils' concentration lessens.
Obtained activities are introduced as input into another MC model to estimate doses produced by them.
The curriculum and teaching are adapted to each child's individual abilities and interests, and activities are introduced when children are best suited to master them.
Following the generic framework of computer simulation, three main components in simulating design activities are introduced: mathematical model, simulation model, and statistical analysis.
Understanding the natural variability of Earth's climate is complicated enough, but more than ever, human activities are introducing powerful stresses on Earth's delicately balanced climate system.
Longer recess periods with organized physical activities were introduced, and students were also instructed by their peers (recess activators).
A 10-min satellite communication delay and other limitations pertinent to human planetary surface activities were introduced.
After Google's announcement and demo of app activities being introduced into its Search product, I spoke with Seth Sternberg and Ardan Arac about how Google+ sign-in is coming along and what the company is doing to get developers to adopt the platform.
Additionally, the a long-term sustainability plan and the expansion of water-quality activities were introduced by state and federal governments, and their partner agencies.
