4. The simple machine shown in the picture is said to hold two pieces of wood better than a nail because
A. It has much more area gripping the wood.
B. It has a smoother surface compared to a nail
C. A nail has much more area gripping the wood
a. Only A is correct
b. Both A and C are correct
c. Only B is correct
d. Only C is correct

Which chemical equation is unbalanced? which chemical equation is unbalanced

The us council on environmental quality, the world wildlife fund of the united states, the ecological society of america, the smithsonian institution, and the international union for the conservation of nature have proposed four principles of wildlife conservation. which of the following does not apply to wildlife conservation? a) continuous monitoring, analysis, and assessment b) ecosystem maintenance that includes wildlife c) a plan encompassing entire communities of organisms and all renewable resources d) a continued interest in harvesting populations for sport

Explain the physiological changes that occur when the hypothalamus stimulates the sympathetic nervous system. you can make a flowchart or a simple step process. be sure to include all chemicals/hormones secreted, glands involved and the functions of each chemical/hormone.