Match the term to its description.

match
term
definition

elliptical galaxy
a) forms a perfect sphere or an ellipse and is flattened to some degree

irregular galaxy
b) does not have a distinct regular shape

lens galaxy
c) has a large flattened core

spiral galaxy
d) has a central core from which curved arms spiral outward

Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?

Assume you measured the mass of the cart to be (500 ± 1) g and the mass of the additional mass you put on the cart to be (500 ± 1) g as well. since the scale you are using in the lab cannot measure objects heavier than 600g you will have to sum up individual pieces and propagate the error. so what would be the mass and the standard error of the cart and the mass

Need only answer if you think you know it