Nebula Supernova - Crab Nebula. The Crab Nebula represents a violent supernova explosion of a star (likely a third, fourth, or even later generation star). Heavy elements with atomic weights greater than 26 (and some with lesser atomic weights between oxygen and iron) were likely generated during this explosion. Which element probably formed in a supernova?a. Gold (Au) b. Carbon (C) c. Hydrogen (H) d. Helium (He)

Which of the following types of tourist are best to bring money to the local southeast asian communities

Ageologist is working in an area with exposed sedimentary rocks and finds a well exposed sequence of stratified rocks. as he works through a thick sequence of limestone, he sees abundant large clam fossils that produce an interlocking texture suggesting a reef, but within the limestone section these clams disappear and the overlying limestone is made up primarily of fragments of corals. he now moves 50 km away and finds limestones interbedded with shales, and the limestones contain the same clam fossils he had seen previously 50 km away. as he continues through this section, the rocks become entirely limestone, and the clams disappear again with coral fossils above forming a reef structure. he concludes

Using examples from various part of the world. examine the assertion that mere presence of abundant natural resources in a country does not guarantee rapid socio economic development