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How long ago did the Permian era begin?
According to the 2012 Geologic Time Scale the Permian Period of the Paleozoic Era lasted from about 298.9 million to 252.2 million years ago. It is the last (latest) period of the Paleozoic.
Did the K-T extinction occur before or during the Tertiary period?
The Tertiary Period (65.5 to 2.588Ma) is the informal name for the geological period that followed the K-T extinction event. So the K-T event happened before the Tertiary. In fact "K-T" is actually short for Cretaceous-Tertiary as it marked the end of the Cretaceous and the start of the Tertiary.The lower tertiary is more formally known as the Paleogene Period(65.5 - 23.03 Ma) and the upper Tertiary is more formally known as the Neogene Period(23.03 - 2.588Ma).
Does twins start there period at the same time?
Not necessarily. While twins may experience their first period around the same age due to genetic similarities and shared environments, they can still have individual variations in their menstrual cycles. Factors such as stress, diet, and overall health can influence when each twin starts menstruating.
How old was the universe when the big bang thory happened?
Events in the Universe are often dated from the Big Bang. But the fact is, NOBODY KNOWS what (if anything) happened before the Big Bang. The Big Bang MAY have been the start of time itself; but it is possible that the Universe existed (in some form) forever in the past.
How many egg cells are released during monthly period?
One, If fertilized it sticks to the wall and if not it moves down the tube to start the Monthy period.
What is the time span of the permian?
Permian Period was from 299 million years ago to 250 million years ago
Do you start your period before you get your breasts?
Depends, but usually Ur boobs start growing first well atleast for me that's wat happened
What are the chances a girl is pregnant if she gets her period late and it ends early?
I have before my period, I start my period for 3 days then My period was stop after my period for 3 days, I want to know what happened to me?
How long ago did the Permian era begin?
According to the 2012 Geologic Time Scale the Permian Period of the Paleozoic Era lasted from about 298.9 million to 252.2 million years ago. It is the last (latest) period of the Paleozoic.
Can the death of a close family member that happened 1 week before you were supposed to start your period prevent you from getting your period that month?
It's possible. Stress can cause ovulation to be suppressed, but that would've been two weeks before you were supposed to get your period.
What main things would travelers might see in the permian time period?
The Permian period was 230 to 280 million years ago. Travelers during this time period would have been able to witness the start of the Alps, the Appalachian, and the Rocky Mountains. There were many massive sand dunes throughout much of the United Kingdom and the United States that were transitioning into sandstone formations. Insects and amphibians were rich throughout the Carboniferous area.
How long before your period do you get signs of having a period?
Usually you get PMS symptoms about a week before your period is due to start.
Can you get pregnant if you are 12 years old and you have never have a period?
Before you start to bleed you ovulate so yes, you can get pregnant before you start to bleed. You will not know if you are in your period before you bleed.
When did the triassic period take place?
The Triassic was from about 225 million to 190 million years ago. It is the first period of the Mesozoic ("middle life") Era.The Triassic Period is most commonly believed to have begun 251 million years ago and lasted until 199.6 million years ago.
Is it possible for a child to get pregnant before they start their period?
Yes, women ovulate BEFORE each period, so even before the first time we have our period, we ovulate. There is always that chance that they are about to start. (Ovulating is when the egg comes down)
What does six days before your missed period mean?
It means that if your period is supposed to start on Saturday, 6 days before your missed period would be the Tuesday before.
What triggers your period to start?
If you have never had your period before, than your period will start when your body is ready. That is proberly why some of yoour school mates (assumed) start at different times.
