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Burka [1]
2 years ago
15

2

Biology
1 answer:
jeka57 [31]2 years ago
3 0

Answer:

Either (1.) Fossils or (2) Radiometric dating.

Explanation:

Fossils are an obvious answer to this, but radiometric dating is the method most scientists use to find the age of rocks. Radioactive isotopes break down predictably, so the farther along this process is, the older the rock is.

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Plz help its for a big grade <br>needs at least (10 sentences)!!!!!​
ICE Princess25 [194]

Answer:

Atom, smallest unit into which matter can be divided without the release of electrically charged particles. It also is the smallest unit of matter that has the characteristic properties of a chemical element. As such, the atom is the basic building block of chemistry.

Atom: has equal number of +ve charge (protons) and -ve charge electrons and hence atom has charge.

Neutrons (having no charge) and protons are present in nucleus. Electrons keep revolving around the nucleus in different shells.

4 0
3 years ago
Pls help <br> a. 5 <br> b. 4 <br> c. 6 <br> d. 3<br> e. 1
sergejj [24]

Answer:

c

Explanation:

6 0
3 years ago
Which statement accurately describes this population of alligators in Florida?
GaryK [48]

Answer:

Members of this population can mate with one another

Explanation:

Alligators and crocodiles are two different species. Also, there's no way these alligators in Florida can make it across the ocean to China.

5 0
3 years ago
Polydactyly is a dominant trait. what symbol on a pedigree chart would represent a male who has polydactyly
Sunny_sXe [5.5K]

The right answer is a colored square (or shaded).

Polydactyly is defined as the presence of one or more extra fingers in the hand or one or more toes in the foot.

It is a dominant trait, it means that the heterozygotes will express the trait.

In general, healthy men are represented by white squares, while sick men are represented by colored squares (most often in black).

8 0
3 years ago
Which is true of genes found on chromosomes?
PSYCHO15rus [73]
The option that is true of genes found on chromosomes is that D. they determine the inherited traits of an organism.
Genes are inherited - so those are the things that we get from our parents and other ancestors. It is easy to determine which of these genes a child is going to inherit - the doctors just need to take a look at the chromosomes, because genes are located there.
4 0
3 years ago
Read 2 more answers
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