A fetus has been developing for three months. What will happen next?
A. External sex organs form.
B. Hands and feet form.
C. Eyes develop.
D. The heart starts beating.

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?

How many chromosomes are in a gold fish?

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”