Question

complete the text with the best transitions.
cities worldwide should invest in bicycle infrastructure to promote sustainable urban transportation and address public health challenges. dedicated bike lanes and bike-sharing programs have been shown to reduce vehicle emissions and encourage physical activity ____ reallocating road space for bicycles exacerbates traffic congestion and disrupts established transportation patterns. ____, studies from cities like copenhagen and amsterdam indicate that integrating cycling into urban planning can enhance traffic efficiency and reduce accident rates, benefiting all road users.

without question, ... in fact
it is unclear if ... to illustrate
critics argue that ... nonetheless
some people argue that ... moreover

Explanation:

1. The first blank needs a phrase that introduces a counterargument against bike infrastructure, which matches "Critics argue that".
2. The second blank needs a phrase that contrasts the counterargument with evidence of success, which matches "Nonetheless".

Answer:

Critics argue that; Nonetheless

The completed text:
Cities worldwide should invest in bicycle infrastructure to promote sustainable urban transportation and address public health challenges. Dedicated bike lanes and bike-sharing programs have been shown to reduce vehicle emissions and encourage physical activity. Critics argue that reallocating road space for bicycles exacerbates traffic congestion and disrupts established transportation patterns. Nonetheless, studies from cities like Copenhagen and Amsterdam indicate that integrating cycling into urban planning can enhance traffic efficiency and reduce accident rates, benefiting all road users.