How many chambers does a fish's heart have?

The graph shows the solubility of several different salts in water, across a range of temperatures. according to the graph, which salt can dissolve at a concentration of about 60 g/100 cm3 of water at 40 degrees celsius?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

What is the statement plant growth is affected by the color light