1. a scientific is a statement that describes what scientists expect to happen every time under a particular set of conditions 2. when only one variable is manipulated at a time, an experiment is conducted.

3. the factor that can change in an experiment is called an

4. the variable is the only variable that is purposely changed to test a hypothesis

1. A scientific _Law___ is a statement that describes what scientists expect to happen every time under a particular set of conditions

2. when only one variable is manipulated at a time, an _controlled experiment is conducted.

3. the factor that can change in an experiment is called an _independent variable

4. the _manipulated variable is the only variable that is purposely changed to test a hypothesis

I wasn't really sure about #3 so I'm so sorry if it's incorrect

rising sea temps which are causing coral reefs to bleach and die out

glaciers are melting causing sea levels to rise wgich could flood out land

explanation:

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.