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Ne4ueva [31]
3 years ago
9

About how many years old is earth

Biology
1 answer:
Serjik [45]3 years ago
5 0

The Earth is around 4.6 billion years old. Earth has a slightly squashed sphere, measuring 7,973 miles (12,756 km) in the diameter at the equator.

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Between 1957 and 1961, thousands of expectant women in 30 different nations ingested a common antinausea drug of the time known
Elza [17]

Answer:

A study of <u>those newborn babies</u>

Explanation:  

Studying the infants from these pregnant women lead the researchers to find out that this drug interfered with the process of limb formation if the pregnant woman had taken this drug anytime during the 26 days critical for limb formation and development. In this way, it makes for an instance where nurture had disrupted nature.

7 0
3 years ago
What is the Hepatic Portal Vein?​
belka [17]

Answer: The hepatic portal vein is one of the most important vein that receives blood from the body and transports it into the liver for filtration and processing. This vein is part of the hepatic portal system that receives all of the blood draining from the abdominal digestive tract, as well as from the pancreas, gallbladder, and spleen.

‘Hepatic’ means of or relating to the liver, therefore the hepatic portal vein is a blood vessel that sends nutrient-rich blood from the gastrointestinal tract and spleen to the liver, but also delivers toxins to the liver that will be chemically modified in the proces of detoxication

8 0
3 years ago
Read 2 more answers
The epigastric region is a portion of the cavity. multiple choice pelvic pleural vertebral abdominal
svetlana [45]

The epigastric region is a portion of the <u>abdominal </u>cavity.

The correct option is d.

The greatest hollow area in the body is the abdominal cavity. Its lower limit is the upper plane of the pelvic cavity, and its upper barrier is the diaphragm, a sheet of muscle and connective tissue that divides it from the chest cavity. The spinal column, as well as the abdomen and other muscles, encircle it vertically.

The epigastrium is the top portion of your abdomen that is immediately below your rib cage. The epigastrium houses your pancreas and the duodenum, a section of your small intestine. Additionally, your stomach and liver are partially located here.

To learn more about epigastric region, refer

brainly.com/question/28237650

#SPJ4

6 0
2 years ago
1. Which of the following is the most appropriate definition of organic compound? a compound that contains carbon atoms bound to
disa [49]

Answer:

Option A, a compound that contains carbon atoms bound to other elements

Explanation:

An organic compound is one which has at least one carbon atom that is bonded to several other atoms (may be metallic or non metallic) by a single or double bond is termed as organic compound .  The most common atoms with which carbon forms bond are hydrogen, nitrogen,and oxygen.

Some common examples are -

Methane - CH_4

Methanol - CH_3OH

Hence, option A is correct

3 0
4 years ago
Read 2 more answers
Three ways water reaches the atmosphere
Eva8 [605]

Answer:

Water enters the atmosphere through evaporation, transpiration, excretion and sublimation: Transpiration is the loss of water from plants (via their leaves)

Explanation:

Hope this helps!!

3 0
4 years ago
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