Why have there been calls to reform campaign finance laws? A. Declining campaign costs
B. So the government can pay for campaigns
C. Stabilization of campaign costs
D. Rising campaign costs

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?