Ask question

Ask question

All categories

SCORPION-xisa [38]

3 years ago

9

Which of the following can be explained with science? A.Plant growth B.Career options C.Moral value D.Meaning of life

2 answers:

yarga [219]3 years ago

5 0

A. Plant Growth, the other options can mainly be explained spiritually.

Mnenie [13.5K]3 years ago

4 0

The answer is A. Plant growth, Plant growth is the only thing that can actually be tested and scientificly measured, hope this helps!!!!

You might be interested in

What is the prefix for oxygen in As2O5? tri- di- mono- penta-

ikadub [295]

The prefix for oxygen in As2O5 is PENTA.
Penta is used to show that the number of oxygen atoms present in the compound is five. Penta means five, while mono mean one, di means two, tri means three and tetra mans four and so on. The chemical name for the given compound is Arsenic pentoxide.

3 0

3 years ago

Read 2 more answers

When an 8 V battery is connected to a resistor, a 2 A current flows in the resistor. What is the resistor's value?

Vinvika [58]

Answer:

B

Explanation:

V=IR I= curren V=volt R=resistor

8=2.R 8/2=R R=4

5 0

3 years ago

Klio2033 [76]

Answer:

28.15

Explanation:

the ateps is in the photo

6 0

3 years ago

A car starts from rest and travels for 5.8 s with a uniform acceleration of 1.6 m/s² in the negative direction. What is the fina

elena-s [515]

Answer:

Final velocity of the car will be -9.28 m/sec

Explanation:

We have given that the car starts from the rest so initial velocity of the car u = 0 m /sec

Acceleration of the car $a=1.6m/sec^2$ in negative direction so acceleration will be $a=-1.6m/sec^2$

From first equation of motion we know that

v = u+at

So $v=0+(-1.6)\times 5.8=-9.28m/sec$

So final velocity will be -9.28 m/sec

8 0

3 years ago

A food department is kept at â12Â°c by a refrigerator in an environment at 30Â°c. the total heat gain to the food department is

slava [35]

As per energy conservation in the reversible engine we can say

$Q_2 + W = Q_1$

here we know that

$Q_2 = 3300 kJ/h$

$Q_1 = 4800 kJ/h$

now from above equation

$3300 + W = 4800$

$W = 1500 kJ/h$

now we can convert it into kW

$W = 1500\times \frac{kJ}{3600s}$

$W = 0.42 kW$

so above is the power input to the refrigerator

now to find COP we know that

$COP = \frac{Q_2}{W}$

$COP = \frac{3300}{1500} = 2.2$

so COP of refrigerator is 2.2

3 0

3 years ago