The phrase "act to modify" is correct and usable in written English.
It can be used when discussing actions taken to change or alter something, often in a formal or technical context.
Example: "The committee decided to act to modify the existing regulations to better suit the needs of the community."
Alternatives: "take steps to change" or "make adjustments to".
It questions Mr. Trump's authority to use the Antiquities Act to modify or replace national monuments created by his predecessors.
These surfaces act to modify the spectral content of the sound as perceived by an observer outside of the duct.
Those recommendations will go into effect beginning next April unless the Legislature and the governor act to modify or reject them.
Most real landscapes have topographical elements such as hills, valleys and urban developments, which can all act to modify a species' perceptual range and directly influence movement behaviour.
Over time these processes act to modify the chemical and physical surface properties of airless bodies such as Mercury, the Moon and some other planetary satellites, and asteroids and comets.
If a visual-based perceptual ability enables a dispersing individual to locate suitable habitat patches at a distance, then it is to be expected that topographical features would act to modify the overall success of this strategy.
But the new treatment acts to modify the genetic defect that causes around half the cases of the disease, which affects 10,000 children and young people in the UK – including the son of former prime minister Gordon Brown.
To this end, it is important to say that the electrostatic interactions are modified in a physiological environment, where ionic strength acts to modify the complex overcharging.
But very similar plots were also attained using an assumption that the auxin acts to modify the rate of introduction of inactive ROPs (gradient acts on b).
This variant represents the hypothesis that the auxin acts to modify the rate of creation of inactive ROPs (i.e. the auxin affects the parameter b).
For example, to test the hypothesis that the auxin acts to modify the rate of creation of inactive ROP, one would impose a gradient on the parameter b to give the form bw(x).
