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spayn [35]
3 years ago
6

if someone told you they had a career in either ecology paleonnotology or botany what area of science is this A physics B biolog

y C astronomy D chemistry
Chemistry
1 answer:
Mazyrski [523]3 years ago
4 0

Answer: B biology

-biology studies life and LIVING organims

- because ecology studies LIVING organisms in their enviroments

- paleonnotology studies the fossils of once LIVING organims s

- botany studies plants which are LIVING

KEY WORD IS LIVING


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99<br> 96<br> 040Zr<br> +<br> 42He<br> ----&gt;<br> + "42Mo
Ahat [919]

he mass defect of the helium nucleus ⁴He₂ is 0.030377 u

Further explanation

Mass defect means the difference between the mass of particles forming an atom with an atomic mass.

Δm = mass defect ( u )

mp = mass of proton ( u )

me = mass of electron ( u )

mn = mass of neutron ( u )

M = atomic mass ( u )

A = mass number

Z = atomic number

Let us now tackle the problem !

Given :

Unknown :

Δm = ?

Solution :

Learn more

Rutherford’s major achievements : brainly.com/question/1552732

Unit of radius of an atom : brainly.com/question/1968819

Fusion : brainly.com/question/11395223

Answer details

Grade: College

Subject: Physics

Chapter: Nuclear Physics

Keywords: Mass , Defect , Nucleon , Number , Atomic , Proton , Electron , Neutron

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