Alyssa observed a flock of small birds in her yard. the birds visited a pair of feeders that her parents put out for them and
splashed in the birdbath. which question is a nonscientific question that she might ask about the birds?
are birds that visit the feeders happier than those that do not?
does having a birdbath present affect the feeding habits of the birds?
at what time of day do the most birds visit the feeders?
would the birds still visit if the seed in the feeders was changed?
i need it asap pls

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid