The phrase "activities heightened" is correct and usable in written English.
It can be used to describe a situation where the level or intensity of activities has increased, often in a specific context such as events, engagement, or emotions.
Example: "As the deadline approached, the activities heightened, leading to a flurry of last-minute preparations."
Alternatives: "activities intensified" or "activities escalated".
The regulator said it could restrict certain activities, heighten requirements for banks that engage in certain physical commodities businesses, or in effect make it so expensive for banks to play in physical commodities that banks may conclude it's simply not worth the hassle.
Rebel activity heightened along the border area in Syria's Idlib Province on Saturday.
Using S100A4/Mts 1PA organ culture, we showed, in response to elastase activity, heightened production of elastin peptides associated with invasion of inflammatory cells and intravascular viral antigen.
In these studies, it remained unclear whether the higher pandemic and post-pandemic incidence in children was caused by higher influenza activity, heightened physician awareness, more frequent or more sensitive influenza testing, or a more severe course of disease of A(H1N1 pdm09 [ 18].
Much like the trust game, you have to rely on your partner to keep you from getting hurt, but unlike the trust game this activity heightens the other four of your five senses.
Several schools across New York locked down their buildings, canceled after-school activities, and heightened security, putting in action emergency plans required by a 2000 state law.
Launched in 2013, GoNoodle designs mobile games, interactive activities and kid-friendly entertainment to provide "brain breaks" that promote physical activity, active learning, heightened engagement and enhanced focus.
Recent research activities show heightened attention into that direction with the ecosystems-emergence of service-oriented computing clouds.
Still, his activities have heightened the anxiety photo editors are already experiencing in the age of digital photography, when pictures can be so easily manipulated by computer.
In cellular ageing of HDFs, catalase and glutathione peroxidase activities were reduced, but SOD activity was heightened during pre-senescence.
