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3 years ago

8

Large sharks eat many other marine life animals. The sharks and the animals they eat are all part of which level of organization

? (Select all that apply.)
ecosystem
population
community
individual organism

2 answers:

egoroff_w [7]3 years ago

7 0

Explanation:

ecosystem, population,community

Law Incorporation [45]3 years ago

6 0

Answer:

Community, ecosystem, population

Explanation:

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Which of the following reactions would result in decreased entropy? (multiple choice)

jasenka [17]

Answer:

D

Explanation:

Since the state of matter is going from a gas to a solid, it would be going from a state of high entropy (greater disorder) to a state of lower entropy (less disorder).

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3 years ago

For each of the following sets of elements, circle the element expected to be most electronegative and draw a box which is expec

Evgen [1.6K]

Answer: The element expected to be most electronegative is Ca.

The element expected to be least electronegative is K.

Explanation:

Electronegativity is defined as the property of an element to attract a shared pair of electron towards itself.

Down the group:

The size of an atom increases as we move down the group because a new shell is added and electron gets added up.

As, the size of an element increases, the valence electrons gets away from the nucleus. So, the attraction between the nucleus and the shared pair of electrons decreases

Hence, electronegativity decreases moving from top to bottom down a group

Across a period:

The size of an atom decreases as we move across the period because the electrons get added to the same shell and the nuclear charge keeps on increasing. Thus the electrons get more tightly held by the nucleus.

As, the size of an element decreases, the valence electrons come near to the nucleus. So, the attraction between the nucleus and the shared pair of electrons increases.

Hence, electronegativity increases moving across left to right in a period.

Thus as K, Sc and Ca are arranged across a period, the electronegativity order is K< Sc < Ca.

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3 years ago

Please help!!! I will mark Brainliest !!!!

shepuryov [24]

Answer:

c

Explanation:

5 0

3 years ago

Read 2 more answers

According to Wookieepedia, Kylo Ren stands 1.89 m tall and his mass is 89 kg. Calculate his earth-weight in lbm. (2 pts) a. b. A

harina [27]

Answer:

a) 6312.12 lbm

b) D = 11.843 inch

Explanation:

GIVEN DATA:

Height of person = 1.89 m = 74.41 inch

mass of person m = 89 kg = 196.211 lbm

a) person earth weight =mg

where g is acceleration due to gravity = 32.17 ft/sec^2

$= 196.211\times 32.17 = 6312.12 lbm$

b) waist to height ratio = 0.5

$waist\ to\ height\ ratio = \frac{circumference\ of\ the\ waist}{height\ of\ the\ person}$

circumference of waist = $height\ of\ person \times waist\ to\ height ratio$

$= 74.41 inch \times 0.5$

=37.21 inch

we know that circumference is given as $= 2\pi r\ or\ \pi D= 37.21$

D = 11.843 inch

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3 years ago

The half-life of f-20 is 11.4 seconds. when there are 200 atoms of f-20 in a sample, a scientist starts a stopwatch. the scienti

prisoha [69]

There should only be 25 atoms remaining

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3 years ago