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Morgarella [4.7K]
3 years ago
13

Which event occurred approximately 4.6 billion years ago

Geography
1 answer:
shutvik [7]3 years ago
8 0
Formation of Earth and our Solar system
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Dynamothermal (regional) metamorphism occurs when ________. A. rock becomes deeply buried during continental collision and mount
ludmilkaskok [199]

Answer:

Dynamothermal (regional) metamorphism occurs when (A) rock becomes deeply burried during continental collision and mountain building.

Explanation:

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3 years ago
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Load shedding effects on the people’s lives? In South Africa
statuscvo [17]

Answer:

Eskom chief operations officer, Jan Oberholzer, publicly stated that the primary reason for load shedding was due to a lack of maintenance and neglect over the preceding twelve years resulting in an unpredictable and unreliable system.

Explanation:

The year has already gotten off to an eventful start, with the South African Reserve Bank (SARB) unexpectedly cutting the repo rate by 25 basis points to 6.25%, while lowering 2020 economic growth projections down from 1.4% to 1.2%.

Of the opinion that this revised growth estimate may still be over-optimistic, Jeff Schultz, senior economist at global bank BNP Paribas South Africa, predicts another tumultuous year for the local economy.

Speaking at a BNP Paribas quarterly economic update event at Melrose Arch in Johannesburg on Monday (10 January), Schultz cited the continued electricity outages as the main reason behind this seemingly pessimistic view.

“Assuming that the first half of 2020 could see a minimum of 15-20 days of Stage 2 load-shedding, we estimate this could shave a further 0.3-0.4pp off growth, which is why we have lowered our already sub-consensus GDP growth forecast to just 0.5% from 0.8%.”

Schultz put the likelihood of a recession at between 30-40%, dependent on the state of power supply management going forward.

While noting that the recent rate cut came earlier than anticipated, Schultz said that another cut in the second half of the year cannot be ruled out.

“We think that there is still room for the SARB to make another 25bp rate cut later on this year, although timing will depend on February’s budget and the Moody’s rating decision.”

On the topic of the upcoming budget, Schultz hopes to see fiscal restraint through lower wage adjustments but also predicts a continued rise in debt ratios on low nominal GDP.

“With the primary balance adjustments likely to fall short of expectations and a weaker nominal GDP growth outlook, we think a decision by Moody to downgrade South Africa’s last remaining investment-grade credit rating is possible.

“It is our view that this downgrade of the sovereign rating will be felt more in economic confidence than in local asset prices,” he added, noting that the downgrade is already relatively well discounted by markets.

“This is not to say that there would not be forced passive selling of SAGBs owing to South Africa’s likely exit from the FTSE World Government Bond Index. However, we believe the net effect is likely to be smaller than the $5-8 billion in potential outflows that the SARB has warned about.”

With all eyes sure to be on government’s plans for South Africa’s ailing state-owned enterprises – especially the restructuring of Eskom and SAA – Schultz believes economic reform could be highly beneficial.

“We expect to see some hope on medium-term growth prospects through progress on institutional reforms and corruption prosecutions.

“However, several events in mid-2020 might contribute to an increase in political noise which might impact the speed of the process,” he said.

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3 years ago
Where would you look to find out how distances on a map compare to the actual distance on land
Leni [432]

The correct answer is - at the low left part of the map.

The maps have multiple elements, and one of those elements is the scale. The scale can be found on the lower part on the map, on the left side. It serves to give us the information about the distance on the map, in comparison to the actual distance in reality. This information can be shown either as unit to unit, or as measurement to measurement.

Example:

1:100,000

This means that one unit on the map, will be equal to 100,000 same units in actual distance. So 1 cm on the map, will be 100,000 cm in real life.

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3 years ago
Answer the following questions concerning the motion of surface winds in the Northern hemisphere on Earth due to the uneven heat
ale4655 [162]

Answer:

Explanation:

the motion of surface winds in the Northern hemisphere on Earth due to the uneven heating of the atmosphere and Coriolis force. Due to the Earth's rotation, surface winds have different speeds at different latitudes as follows:

Surface winds travel faster closer to the equator (0 degrees latitude).

Surface winds travel slower closer to the North pole (90 degrees latitude).

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3 years ago
What is the relationship between volcanoes, earthquakes, and tsunamis in Asia? How do seismic events like earthquakes cause tsun
NISA [10]

The top layer of Earth is an interesting place. Also known as the 'crust,' this thin, solid layer is much more than meets the eye. If Earth were an apple, the skin of that apple could represent the crust in terms of thickness and location. But unlike an apple skin, Earth's crust isn't one large piece covering the entire planet. Instead, it's broken up into many different pieces called tectonic plates that fit together like a large puzzle.

Also unlike the apple, underneath the solid crust is not a deliciously crispy interior. Instead, directly below the crust, we have a thick liquid layer called the mantle. Because it is liquid, the mantle flows and moves around, which moves the plates sitting on top like pieces of ice on a pond.

When the plates get moved around, they wreak havoc because they crash into, and pull apart from, and rub against each other. And as you can imagine, these interactions can do some pretty serious damage. On Earth, these tectonic events result in dangerous natural disasters around the world, like earthquakes, volcanoes, and tsunamis.

Earthquakes

Earthquakes can and do happen anywhere in the world, but the majority of them occur in a region known as 'The Ring of Fire.' As you'll learn a little later in this lesson, this is also where most of the world's volcanoes are found and where the name comes from.

The reason so many earthquakes occur in these areas is because this is where many of Earth's tectonic plates come together. Earthquakes begin deep underground along plate boundaries. Tension and pressure build up as the plates slide past and bump into each other and sometimes even stick together. Although the plate boundaries themselves may be stuck, the plates keep moving and pulling. Eventually, the pulling becomes too much and the plates suddenly break free from each other, causing an earthquake!

You can think of an earthquake like a game of tug-of-war. If you and your friend are both pulling on opposite ends of the rope and suddenly your friend lets go, all of that tension quickly leaves the rope and down onto the ground you go! An earthquake is very much the same - the plates get stuck together as they move, building up tension. Suddenly, the plates slip past each other and break free, sending that built-up tension through the ground in all directions.

3 0
3 years ago
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