How does the length of twilight vary from summer to winter?
What will be an ideal response?
Answer: the length of twilight increases in the summer.
You might also like to view...
Give an example of a polygon feature class that can benefit from the topology (polygon) rule of "Must not overlap with."
What will be an ideal response?
The greatest source of water in the hydrological cycle is ________
A) the atmosphere B) groundwater C) precipitation D) soil water E) oceans
Patients with generalized hypothermia are at an increased risk of a local cold injury because:
A. blood is shunted away from the extremities to the body's core. B. peripheral vasodilation brings warm blood to the skin's surface. C. the major muscles of the body become rigid during hypothermia. D. the patient is usually unable to escape the cold ambient temperature.
Read carefully through the paragraph below, and decide which of the options is correct. A shallow sea existed in North America approximately 425 million years ago
This ancient geography was interpreted based on the sedimentary rocks in the region of that age. Mudstone, limely shale and shaley sandstone mark the location of the shallow sea. Sandstone occurred near the ancient shoreline and conglomerate occurred near the source area. Clasts of volcanic and plutonic rocks in the conglomerate imply the uplift and erosion of igneous rocks of nearby mountains. A) The word "igneous" should be replaced by "metamorphic". B) The word " mudstone" should be replaced by " limestone". C) The word "shale" should be replaced by " sandstone". D) The word " shallow" should be replaced by "deep".