Why do reptiles shed their skin?
What will be an ideal response?
The skin of reptiles has a horny surface layer. In lizards and snakes, this horny layer forms a hard, continuous
covering of scales. As the animal grows, this outer layer is shed, allowing for further growth.
Crocodiles, alligators, and some lizards have bony dermal scales covered by a horny epidermal layer,
which must be shed to allow for body growth.
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Express 70 as a 2421 code number.
A. 11 1100 B. 11 1110 C. 1011 0000 D. 1101 0000
All of the following statements are correct EXCEPT ________
A) Testing an ignition coil for resistance will always indicate its condition
B) Current ramping can be used to test for current limits and charging rise time of the ignition circuit
C) Resistance tests may not reflect the actual performance conditions of an ignition coil
D) A digital storage oscilloscope is used to perform current ramping tests.
The total resistance of four resistors in parallel with values of 3, 10, 25, and 50 ohms is _____
a. 1.66 ohms b. 2.03 ohms c. 2.75 ohms d. 3.33 ohms
How many lineal feet of 2 × 12s are needed for the beam?
a. 48?
b. 124?
c. 180?
d. 196?