What phylum does a star fish belong to

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)

In the first law of thermodynamics, triangle e=q-w, what does q stand for

Which accurately compares concave and convex lenses?