Ladybugs don't eat grass, they eat aphids. Better let it go.
Yes they could actually i have like over 50 in a fish tank! with just grass!
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Bottle
Blowing into a bottle that is three-quarters full will likely make more noise compared to blowing into a bottle that is completely full. This is because the air inside the partially filled bottle has more space to vibrate and create sound waves when disturbed.
While the pear is small it is placed in the bottle, and the bottle is supported in the tree. Pear reaches full size in the bottle.
A full bottle of water
Crab Grass, of course.
It is easier to squeeze an empty bottle because there is less resistance from the air inside the bottle compared to the water. The water in a full bottle creates more pressure and resistance when you try to squeeze it.
The water level in the bottle should be about halfway full for a successful bottle flip.
An empty bottle has less mass than a full bottle. This means that the empty bottle has less force to overcome when lifted which corresponds to less work to lift it.
No. Grass only is "turned into" hay when it is cut and collected for the sole purpose of feeding animals i.e., livestock. Grass will be grass no matter if it's alive and green, or brown and dead. Besides, FYI, grass hay is cut when grass is green, not when it has reached full maturity and gone into dormancy (i.e., turned brown and "died"). If grass is cut at this stage it contains very little nutritional value for livestock, and is otherwise considered the same value as straw.
err, yes, because: bottle mass + soda mass > bottle mass