The phrase "a much lower part" is correct and usable in written English.
It can be used to describe a section or area that is significantly lower in position or level compared to something else.
Example: "The cave has a much lower part that is often filled with water during the rainy season."
Alternatives: "a significantly lower section" or "a considerably lower area".
Even when unionized employees are required to pay part of their family insurance premium, they pay a much lower share of the premium than nonunionized workers do.
Transcripts of PtdHB3, which was a close homologue of PHV and PHB, largely accumulated in the apex and to a much lower degree than in other parts of the trees, especially the roots.
In recent years, Israel has discovered huge fields of natural gas off its coast, aided in part by a much lower than average tax structure that provided incentives for energy companies to take on the risks and costs of such searches.
The headline corporate income tax rate in the US is 35%, but Shire – like many global drugs and technology groups– has for years managed to maintain a much lower effective tax rate, thanks in large part to complex tax planning.
Start your jaunt through the bustling bazaars for precious gems, Oriental silks, and savory spices--all for a much lower rate than they go for other parts of the world.
The rock itself has a much lower ratio, so that it did not take part in this exchange.
Shared leasing and shared ownership options worldwide have made way for the possibility of part-time yachting — at a much lower cost.
As with the NO cooling, the maximum change occurs in the middle to latter part of 2008 but at a much lower altitude of about 105 km.
The Tiger Reserve, although a part of the Nilgiris, lies at a much lower elevation.
This is due, in part, because women seek funding at a much lower rate than men, according to Jeffrey Sohl, the director of the Center for Venture Research at the University of New Hampshire.
