List three elements about China's political, economic, and social systems that did not change from 1200 until 1900.

Love, which can’t be observed or measured directly, is an example of psychological construct

Which of the following practices is not recommended during a time of water scarcity? a. increasing wastewater recycling b. prohibiting the consumption of bottled water c. raising fines for violating outdoor water restrictions d. improving monitoring and management of local aquifers e. utilizing media to promote awareness of best practices in water management

Which of the following types of stars had the smallest initial mass? which of the following types of stars had the smallest initial mass?