A nebula is a massive cloud of gas and dust from which stars and planets form.
What is the name of the largest moon of Saturn, known for its thick atmosphere and orange color?
What is the name of the largest moon of Jupiter, known for its intense geologic activity and volcanic features?
Which hormone is responsible for the development of secondary sexual characteristics in males?
In the human nervous system, what is the role of the myelin sheath?
What is the main function of the immune system in the human body?
Which of the following elements is a noble gas?
What law of motion states that an object will remain at rest or in uniform motion unless acted upon by a net external force?
Which of the following is a strong base?
What is the chemical symbol for phosphorus?
What is the main driver of surface ocean currents?