The phrase "alternatives have improved" is correct and usable in written English.
You can use it when discussing the enhancement or advancement of different options or choices available in a particular context.
Example: "In recent years, alternatives have improved significantly, offering consumers more choices than ever before."
Alternatives: "options have become better" or "choices have enhanced."
Even the BDA now says that the alternatives "have improved over time", adding: "Trends towards greater use of these materials imply that there is to be a sustained reduction in the use of dental amalgam".
In this article, we have applied the concept of disruptive innovations popularized by Christensen to the field of orthopaedics to illustrate examples in which simpler, cheaper alternatives have improved access of care, increased patient satisfaction, and empowered clinicians to provide higher-quality, more convenient and efficient care to their patients.
Watson said the taste and texture of vegan alternatives had improved.
During the search for new alternatives, we have improved other forms of mobility.
Patients who now receive ECMO therapy may also be different from patients treated in the 1980s and early 1990s because the alternative therapies have improved [ 11].
Some of these newer anti-RSV agents have shown enhanced potency, are being explored through alternative routes of administration, have improved pharmacokinetic profiles with an extended half-life, and may reduce design and manufacturing costs.
Current research is also investigating alternative cough suppressants that may have improved side-effect profiles.
Moreover, CD-34+ cell collection techniques have improved and alternative agents such as plerixafor are now available to assist mobilization where G-CSF/chemotherapy alone has failed.
Therefore, graphene nano-sheets can be used as an alternative of the surfactants, because they have improved the HFP in any stage while increasing hydrate stability.
But things have improved.
Test scores have improved.
