Question

Why stromatolites began to decline in diversity and abundance about 700 million years ago?

Why stromatolites began to decline in diversity and abundance about 700 million years ago?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Early in the Miocene Epoch (about 23 million years ago), newly evolving arboreal “ape” species outnumbered...
Early in the Miocene Epoch (about 23 million years ago), newly evolving arboreal “ape” species outnumbered the earlier arboreal/terrestrial “monkey” species. Remember that “monkey” species did not disappear, but they did start to be outnumbered by diversifying “ape” species at the beginning of the Miocene Epoch. By the late Miocene Epoch (about 10 million years ago), the number of arboreal ape-like species represented in the fossil record in Central East Africa and Southeast Asia had decreased considerably, while the number...
Jason bought a house ten years ago. His payments are $700 per month and the APR...
Jason bought a house ten years ago. His payments are $700 per month and the APR on the loan is 6% and the original term was 30 years. With 20 years remaining now, what is the principal component of the next payment (121st payment)?
Victor’s company bought a building ten years ago to use as a warehouse for $1 million....
Victor’s company bought a building ten years ago to use as a warehouse for $1 million. Today, they are considering renovations costing $2 million to convert into a small factory for new products. The company thinks it would receive $1.5 million today (net of all taxes and costs) if they sold the building instead of converting it. Which of these cash flows should be included in the project’s cash flows and why? (1-3 sentences)
The State of DeNile built a new toll road 3 years ago for $900 million. The...
The State of DeNile built a new toll road 3 years ago for $900 million. The state can charge tolls on the road for the next 20 years and expects to spend $3 million per year on maintenance and toll collection. Toll revenue is expected to be $80 million per year. The state has recently received an offer from the Otto Corporation to lease the road for 20 years. The company will pay DeNile $1 billion and will receive exclusive...
In 2016, Microsoft had $16.8 billion of net income. Why did stockholder’s equity decline by about...
In 2016, Microsoft had $16.8 billion of net income. Why did stockholder’s equity decline by about $8 billion?
Mr. Patterson is a 68-year-old experiencing bilateral leg pain that began about 2 years ago but...
Mr. Patterson is a 68-year-old experiencing bilateral leg pain that began about 2 years ago but has been significantly worse over the past 2 months. The pain is precipitated by exercise and relieved with rest. Mr. Patterson shares that he can barely walk across his yard. He is diagnosed with peripheral artery disease (PAD). vital signs: T:98.4; p:82 BPM: B/P163/91 mm/hg, RR:18; o2 sat: 98% on RA Describe the objective findings the nurse would anticipate when assessing MR. Patterson's lower...
Agriculture first became widely practiced by humans about 8,000 to 10,000 years ago. Why might this...
Agriculture first became widely practiced by humans about 8,000 to 10,000 years ago. Why might this be the case? Select one: a. the human brain reached its maximum size b. the Holocene was a period of climatic stability c. the ice sheets melted, opening areas for farming d. human population reached a size where agriculture was needed for food e. humans had spread to every continent
willy world began using dollar value LIFO for costing its inventory teo years ago. the ending...
willy world began using dollar value LIFO for costing its inventory teo years ago. the ending inventory for the past two years in the end of year dollars was $120000 and $180000 and the year end price indice were 1.0 and 1.2 respectively. assuming the current inventory at the end of year prices queals $258000 and the index for the current year is 1.25, what is the ending inventory using dollar-value LIFO?
About two decades ago, RJR Nabisco incurred $2 million dollars in cost for package design –...
About two decades ago, RJR Nabisco incurred $2 million dollars in cost for package design – the physical construction of the package and graphic design. Nabisco wanted to deduct the entire $2 million in the year it was spent; the Internal Revenue Service (IRS) insisted that the $2 million be treated as a capital expenditure and depreciate over time. Eventually, the tax court sided with Nabisco. a. Explain clearly why Nabisco would prefer to have the $2 million treated as...
Brandon, an individual, began business four years ago as a sole proprietorship and has sold §1231...
Brandon, an individual, began business four years ago as a sole proprietorship and has sold §1231 assets resulting in $6,000 of unrecaptured losses within the last 5 years. In the current year, Brandon sold the following business assets. All of these assets were placed in service more than one year ago. Asset Original Cost Accumulated Depreciation Gain/Loss Machinery $ 30,000 $ 7,000 $ 10,000 Land $ 40,000 $ 0 ($5,000) Building $ 90,000 $ 30,000 $20,000 Hint: This is not...