Answer:
it is because, igneous and metamorphic form at temperatures and pressures which destroy the fossil remains. dead organisms may become sediments which may, under right conditions, become sedimentary rocks
The correct answer for the question that is being presented above is this one: "oxygen became available from cyanobacteria." About 1.2 billion years ago, eukaryotic and multicelled organisms evolved because oxygen became available from cyanobacteria.
Answer:
* What is meant by coastal management?
coastal management is a defence technique to prevent or lower the occurrence of flooding and erosion, and ways to stop erosion from claiming lands. Protection against rising sea levels in the 21st century is crucial, as sea level rise accelerates due to climate change.
* Why is coastal management important?
The reason for coastal management is obvious, which is to protect homes and businesses from being damaged and even destroyed by coastal erosion or flooding. Failure to do so can have severe economic and social effects, especially along coastlines which are used for tourism and industry.
Its a because northen subtropical jet stream are strong up theree than any where else
Answer:
Explanation:
Hepatitis B is a viral infection. This infection attacks the liver and is a source of acute and chronic disease. It is transmitted by body fluids like blood, and can also be transmitted by sex if one is infected, or by childbirth by the infected mother. It is also transmitted if people are sharing needles or syringes. So prevention would be done by practicing safe sex, testing ourselves before we have kids, and using clean syringes and needles that nobody used before us. Besides these, there is a vaccination that is safe and works.
Most don't report symptoms when infected. But some can experience illness for several weeks and their skin starts yellowing along with the eyes, urine becomes darker, nausea and fatigue along with vomiting or abdominal pain.
