Hi here you go
1. mathematics
2. trade
3. astronomy
4.a form of written communication with pictures
5.the invention of the wheel
6.the concept of time.
You didn't list the options to choose from but I found them elsewhere.
The answer is - couples in happy marriages make external attributions for negative behavior and internal attributions for positive behavior; while couples in unhappy marriages make internal attributions for negative behavior and external for positive. Happy couples blame outside forces for issues whereas unhappy couples blame each other.
The left 4 is in the hundreds place, the middle four is in the tens place, and the right four is in the ones place; 400, 40, and 4
I believe the answer is: Explain
Explain is the act of figuring out how things turn out as it is. In scientific field, to obtain proper explanations, researchers need to construct a hypothesis and tested them with proper scientific method in order to find relevant facts that might connected to the occurrence.
Is this a true or false question