All categories

3 years ago

1. A fossil is determined through radioactive dating to be 1.5 million years old. This is an example of *1 point

Biology

2 answers:

dedylja [7]3 years ago

7 0

C)Fossil Aging, I think...
....Hope it helps, have a good rest of the day:)

Mekhanik [1.2K]3 years ago

5 0

Answer:

The answer to the question: A fossil is determined through radioactive dating to be 1.5 million years old. This is an example of, would be: A: Absolute dating.

Explanation:

In paleontology, there are two ways in which fossils can be dated. One, is the inaccurate one, called relative dating, in which other sources, most commonly rocks around the fossil, as well as other fossils called index fossils, are used to approximately date a target fossil. But the more accurate, and almost infalible one, is called, absolute dating. This one uses radioactive isotopes and their characteristics in rocks and in the fossil itself, to more accurately establish the age of the fossils. The technique measures these isotopes in the minerals and components in the rocks and fossils to determine date.

You might be interested in

What do sclerenchyma and collenchyma have in common? They are both thin-walled. They are both dead cells. They both function for

kakasveta [241]

Answer:

They both function for support

Explanation:

Collenchyma cells gives support to extra structural regions as well as sclerenchyma are responsible for the support of plants.

5 0

3 years ago

Read 2 more answers

Which of these organs is found in the excretory system?

Paraphin [41]

The urinary system is the main excretory system of the body after the gastrointestinal tract (large intestine) and lungs, In these questions it is necessary to prioritize the urinary tract.

The right answer is D. Bladder

The bladder belongs to the urinary excretory system.

The bladder receives the urine produced by the kidneys via the ureter and has the function of storing it before its elimination during urination through the urethra. The muscles surrounding the bladder help to prevent urine reflux to the ureter.

The right answer is C. Kidneys

The main purpose of the renal excretory system is to eliminate nitrogenous wastes while maintaining homeostasis, all through the formation of urine.

The kidney has a secretory function (filtration of blood in the glomeruli) and excretory from the pyelon (triangle based on the renal hilum) origin of the ureter. We speak of pyelo-ureteral junction. Each kidney contains about 1 million nephron.

8 0

4 years ago

Read 2 more answers

Which process releases the most amount of energy aerobic respiration or photosynthesis?

4vir4ik [10]

Aerobic releases the most energy

3 0

3 years ago

The light areas on the moon are ____.

sasho [114]

Answer:(ﾉ◕ヮ◕)ﾉ*:･ﾟ✧ The light areas of the Moon are known as the highlands. The dark features, called maria (Latin for seas), are impact basins that were filled with lava between 4.2 and 1.2 billion years ago.

Explanation: (∩^o^)⊃━H~O~P~E T~H~I~S H~E~L~P~S!~

8 0

3 years ago

What is the benefit of water for a living being?

aivan3 [116]

It’s common to hear that water is essential for your health. But why?

This substance makes up a majority of your body weight and is involved in many important functions, including:

Flushing out waste from your body
Regulating body temperature
Helping your brain function

You get most of your water from drinking beverages, but food also contributes a small amount to your daily water intake.

Read on to learn more ways water can help improve your well-being.

1. It helps create saliva

Water is a main component of saliva. Saliva also includes small amounts of electrolytes, mucus, and enzymes. It’s essential for breaking down solid food and keeping your mouth healthy.

2. It regulates your body temperature

Staying hydrated is crucial to maintaining your body temperature. Your body loses water through sweat during physical activity and in hot environments.

3. It protects your tissues, spinal cord, and joints

Water consumption helps lubricate and cushion your joints, spinal cord, and tissues. This will help you enjoy physical activity and lessen discomfort caused by conditions like arthritis.

4. It helps excrete waste through perspiration, urination, and defecation

Your body uses water to sweat, urinate, and have bowel movements.

Sweat regulates body temperature when you’re exercising or in warm temperatures. You need water to replenish the lost fluid from sweat.

5. It helps maximize physical performance

Drinking plenty of water during physical activity is essential. Athletes may perspire up to 6 to 10 percent Trusted Source of body weight during physical activity.

Hydration also affects your strength, power, and endurance.

6. It helps prevent constipation

Eating fiber isn’t the only way to prevent constipation. It’s also important to maintain your water intake so your bowel movements contain enough water.

7. It aids in digestion

Contrary to what some believe, experts confirm drinking water before, during, and after a meal will help your body break down the food you eat more easily. This will help you digest food more effectively and get the most out of your meals.

8. It helps with nutrient absorption

In addition to helping with food breakdown, water also helps dissolve vitamins, minerals, and other nutrients from your food. It then delivers these vitamin components to the rest of your body for use.

9. It helps you lose weight

Studies have linked body fat and weight loss with drinking water in both overweight girls Trusted Source and women. Drinking more water while dieting and exercising may just help you lose extra pounds.

10. It improves blood oxygen circulation

Water carries helpful nutrients and oxygen to your entire body. Reaching your daily water intake will improve your circulation and have a positive impact on your overall health.

11. It helps fight off illness

Drinking enough water can help prevent certain medical conditions Trusted Source.

Water also helps you absorb important vitamins, minerals, and nutrients from your food, which will increase your chances of staying healthy.

12. It helps boost energy

Drinking water may activate your metabolism. A boost in metabolism has been associated with a positive impact on energy level.

One study found that drinking 500 milliliters of water boosted the metabolic rate by 30 percent in both men and women. These effects appeared to last over an hour.

13. It aids in cognitive function

Proper hydration is key to staying in tip-top cognitive shape. Research Trusted Source indicates that not drinking enough water can negatively impact your focus, alertness, and short-term memory.

14. It helps improve mood

Not getting enough water can also affect your mood. Dehydration may result in fatigue and confusion as well as anxiety.

15. It helps keep skin bright

Adequate water intake will help keep your skin hydrated and may promote collagen production. However, water intake alone isn’t enough to reduce the effects of aging. This process is also connected to your genes and overall sun protection.

16. It prevents overall dehydration

Dehydration is the result of your body not having enough water. And because water is imperative to so many bodily functions, dehydration can be very dangerous.

Severe dehydration can result in a number of severe complications, including:

Swelling in your brain
Kidney failure
Seizures

Lengthy, but quite informative.

Hope you found this helpful!

THANK YOU!!

∝ Sidhdi

7 0

3 years ago