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Elina [12.6K]
3 years ago
14

Why do plants provide bees, butterflies, hummingbirds, and other animals with nectar?

Biology
2 answers:
QveST [7]3 years ago
7 0
Nectar is filled with all kinds of good nutrients that benefit the bees. Butterflies. Hummingbirds and other animals.
guapka [62]3 years ago
6 0
Nectar is in flowers. Nectar is a good food for bees, butterflies, hummingbirds, and other animals. I hope this helps!
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Mildred collects a sample of fossilized plant material. She takes it back to her lab to run some tests on it. Mildred is able to
xeze [42]

Answer:

The process that Mildred used is known as Radiocarbon dating

Note: The question is incomplete. The complete question is given below:

Mildred collects a sample of fossilized plant material. She takes it back to her lab to run some tests on it. Mildred is able to measure the amount of carbon-14 in her sample and compare this to the amount of carbon-12 in it. She uses this information to calculate that the fossil is 4,500 year old. The process that Mildred used is known as _______

Radiocarbon dating

Faulting

Indexing

Superposition

Explanation:

Radiocarbon dating is a process of determining the age estimates of various objects and materials using the radioactive properties of an isotope of carbon, carbon-14.

Radiocarbon dating uses the ratio of two isotopes of carbon, carbon-12 and carbon-14 present in materials which contains carbon to determine their age.

There is a fairly constant ratio of carbon-12 and carbon-14 in living organisms. However, at death, due to the decay of carbon-14 to carbon-12, the ratio begins to change. Since the rate of decay of carbon-14 is fairly constant, a property known as half-life, the time it has taken for carbon-14 to decay to carbon-12 can be calculated. This calculated time will givee the age of the fossilised material.

6 0
2 years ago
A subarachnoid hemorrhage occurs
Eduardwww [97]

Answer:

The correct answer is between the arachnoid and the pia. Thus option 'a' is correct.

Explanation:

Subarachnoid hemorrhage is the bleeding in the brain more precisely in the subarachnoid space-the space between the arachnoid and the pia matter surrounding the brain.

The layers that surround the brain termed as meninges of the brain of the brain include:

1) Dura matter the outermost layer close to the skull.

2)Arachnoid matter.

3) Pia matter, the innermost layer that is in contact with the brain.

A subarachnoid hemorrhage can occur due to many causes such as an accident , ruptured aneurysm, e.t.c. It is a life threatening condition and is accompanied with stroke.

8 0
2 years ago
At first glance, cycads and palm trees may look very similar, but how are they distinguished?.
finlep [7]
At first glance cycads and palm trees look very similar. How are they distinguished? a. Cycads have cones, and palm trees, a gnetophyte, have single large fruits.

Hope this help
8 0
2 years ago
Science skills: claim, evidence, reasoning. Imagine a world based on a small nonpolar lipid, instead of based on water. What wou
malfutka [58]

Answer:

The macromolecule structure of everything would be different and so would the function because everything would need to be structured in a way that it won't just dissolve when the nonpolar lipid will touch things.

Explanation:

6 0
2 years ago
The united states proposes the open door policy for china. For what reason was the proposal made?
mr Goodwill [35]
The reason was made because they wanted people to be able to come and leave from china
7 0
2 years ago
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