Our sun was formed in a cloud of gas and dust about:
A) 5.9 billion years ago
B) 4.5 billion years ago
C) 4.1 billion years ago
D) 3.9 billion years ago
A chord is 3cm from the center of a circle of radius 5 cm. the length of the chard is:
A) 8 cm
B) 6 cm
C) 4 cm
D) 2 cm
The ureter is a tube
that carries urine to the ______
A) Urinary bladder
B) Urethra
C) Pelvis
D) Renal tubule
The breakdown of proteins produced which of the
following waste product?
A) Ammonia
B) Urea
C) Uric acid
D) All of these
If 42
A) 0
B) 6
C) 42
D) 7
