Which of the following layers make radio transmission possible?
Which of the following layers make radio transmission possible?
A. Troposphere
B. Ionosphere
C. Mesosphere
D. Stratosphere
E. None of these
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who invented bulb?
who invented bulb?
A. Philips
B. Robert
C. Edison
D. WilliumWhich of the following plants are called arthrophytes?
Which of the following plants are called arthrophytes?A. Sphenopsids
B. Lycopsids
C. Psilopsids
D. PteropsidsFreezing point of water is__________?
Freezing point of water is__________?A. 0 °C
B. -2 °C
C. -4 °C
D. None of aboveScalding with steam is more severe than scalding by boiling water because_______?
Scalding with steam is more severe than scalding by boiling water because_______?
A. Steam can penetrate the skin
B. Steam is at a higher temperature
C. Steam contains more energy than boiling water
D. Steam is at a higher pressureOther name of platelets _______?
Other name of platelets _______?A. Erythrocytes
B. Leukocytes
C. thrombocytes
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A reptile with a four-chambered heart is______________?A. Snake
B. Turtle
C. Lizard
D. Crocodile