What is the largest cell in the human body?
A. Ovum
B. RBCs
C. Sperm cell
D. Neuron
A. Ovum
B. RBCs
C. Sperm cell
D. Neuron
HF reacts with the silica in glass (turns it into SiF4, which is a gas at room temperature or H2SiF6 which is a liquid), so you can’t use glass bottlesto store it in.
A. Aristotle
B. Plato
C. Einstein
D. Newton
A. light waves on it
B. microwaves on it
C. radio waves on it
D. ultra high frequency waves on it
A. Saturn
B. Mars
C. Neptune
D. Jupiter
Active asteroid discovered near Jupiters Orbit for the first time in billion years. The Jupiter Trojan asteroids orbit the Sun in two huge swarms, one swarm orbiting ahead of the planet, where 2019 LD2 is present, and the other swarm orbiting behind it.
A. Iron
B. Tungsten
C. Copper
D. Silver
Of all metals in pure form, tungsten has the highest melting point (3422 °C, 6192 °F), lowest vapor pressure (at temperatures above 1650 °C, 3000 °F), and the highest tensile strength.
A. Brucine
B. Caffeine
C. Phenylalanine
D. Theine