The first one can be seen either way. For me, I saw a vase first. In all of the pictures, the black drawing is considered the positive space and the white background behind it is considered to be the negative space. If you look at the vase picture again and imagine the background to be the black portion, you see two faces.
Hope this helps! :)
To repair body tissues
Maintain PH levels
Antibodies
Enzymes (like DNA polymerase)
Hormones
Chose any two
Answer:
An interval scale is one where there is order and the difference between two values is meaningful. Examples of interval variables include: temperature (Farenheit), temperature (Celcius), pH, SAT score (200-800), credit score (300-850).
A time signature is the number of beats i each bar. eg
means a three quarter note
Keith Haring chose graffiti for creative expression
