Biofeedback headsets measure your brain waves, using EEG. They're small bands that sit easily on your head and measure activity through sensors
Yes they are vascular like other gymnosperms
Answer:
option (d) is incorrect
Explanation:
the focal lenth in convex mirror [mirror has an outer bulge], is positive, because in this type of mirror image is formed behind the mirror on right side .
according to sign convention, length on the right side it is positive.
Answer:
Pour the water first, freeze it, and then pour the milk. The freezing point of raw unprocessed milk is ∼−0.5 degrees Celsius, so by keeping the barrel under 0 degrees, but above −0.5 degrees, you can keep the water frozen and the milk liquid, and be able to separate them.
You can freeze the whole thing below −0.5 degrees. Just don’t warm it suddenly above 0 degrees without separating the milk first.
In fact, the freezing point of milk can be and is used as a test to check whether water was added to milk by producers.