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NNADVOKAT [17]
3 years ago
12

Which pair of elements can be used to determine the age of a fossil that is over one billion years old?

Biology
2 answers:
lbvjy [14]3 years ago
8 0

Answer:

A

Explanation

It should be A., lead and uranium.

rjkz [21]3 years ago
5 0
D sorry if I’m wrong
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Groundwater___?<br> Is recharged by precipitation
Blababa [14]

Answer: Ground water recharge includes recharge as a natural part of the hydrologic cycle and human-induced recharge, either directly through spreading basins or injection wells, or as a consequence of human activities such as irrigation and waste disposal. Artificial recharge with excess surface water or reclaimed wastewater is increasing in many areas, thus becoming a more important component of the hydrologic cycle.

Explanation:

https://www.sciencedirect.com/topics/earth-and-planetary-sciences/groundwater-recharge

8 0
3 years ago
An area of raised land in the middle of a river. Mountains and glacier in the distance. A geologist finds this ridge of sediment
Nadusha1986 [10]

A moraine is a landform feature which is formed by the glacier retreating. The ridge of sediments that geologists found has a feature namely moraine.

<h3>What is moraine?</h3>

The materials usually soil or rocks left behind by the glaciers are called moraine.

Just like rivers that carries all sorts of debris and silt and eventually builds up to form deltas, similarly glaciers moves all sorts of dirt and boulders that assembles to form moraines.

As the geologist found a ridge of sediments and notices a glacier in the distance so this is the moraine.

Thus, the correct answer is C.

For more details regarding moraine, visit:

brainly.com/question/3791076

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8 0
2 years ago
Why didn’t the three candles stop burning at the same time after the jars were placed? What does this tell us about the rate of
Len [333]

A lit candle needs to draw oxygen from the air in order to continue burning. If you limit the amount of air available, the candle's flame eventually goes out once it uses up all the oxygen. Lit candles in smaller jar stop burning first because the oxygen trapped in the jar are fewer than the ones in bigger jars.

7 0
2 years ago
What happens to monomers when they undergo dehydration synthesis?
Colt1911 [192]

Answer:

they form long chain-like molecules.

Explanation:

they combine using covalent bonds, and give off water molecules.

3 0
3 years ago
Plss answer all! Help!
vladimir1956 [14]

Answer:

there are two types of cell one eukaryotic cell that have true nucleus (genetic material enclosed in membrane) and membrane bounded organelles and other is prokaryotic cell that donot have have true nucleus (genetic material dispersed in cytoplasm) and membrane bounded organelles.

similarities between PC and EC is that both contains cell membrane, ribosomes (not a membrane bounded organelle) .

examples of PC are bacteria , paramecium,fungi etc

examples of EC are plant and animal cells

there are two names for cell membrane i.e plasmalemma, cell surface membrane,

selectively permeable or semipermeable means cell only allows those material to pass through its cell membrane which it needs.this cell'ability is important because to protection against the poisonous substance and to maintain cell needs .

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2 years ago
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