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3 years ago

14

3. Bacteria communicate with each other through electronic pulses. O True O False

2 answers:

Colt1911 [192]3 years ago

8 0

Answer:

All in All, All in All.

Explanation:

lina2011 [118]3 years ago

4 0

Answer: False

Explanation:

Abstract. Bacteria communicate with one another using chemical signal molecules. This process, termed quorum sensing, allows bacteria to monitor the environment for other bacteria and to alter behavior on a population-wide scale in response to changes in the number and/or species present in a community.

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Someone help me,

SashulF [63]

Answer:You can get the valence electrons in an atom's electronic arrangement by consulting the periodic table:

Explanation:

The Group 1 atoms have 1 valence electron.

The Group 2 atoms have 2 valence electrons.

The Group 3 atoms have 3 valence electrons.

The Group 4 atoms have 4 valence electrons.

6 0

3 years ago

Read 2 more answers

What is the kinetic energy of a 25 kg object moving at a velocity of 2.5 m/s?

vovangra [49]

Answer:

<h2>78.13 J</h2>

Explanation:

The kinetic energy of an object can be found by using the formula

$k = \frac{1}{2} m {v}^{2} \\$

m is the mass

v is the velocity

From the question we have

$k = \frac{1}{2} \times 25 \times {2.5}^{2} \\ = 12.5 \times 6.25 \\ = 78.125 \: \: \: \: \: \: \: \:$

We have the final answer as

<h3>78.13 J</h3>

Hope this helps you

6 0

3 years ago

Imagine a box floating in space. The following picture shows all the forces acting on this box.

svetoff [14.1K]

50 Newton’s upwards.

3 0

3 years ago

How many atoms are there in 3.559*10^-6 mol of krypton?

algol [13]

Answer:

The answer is

<h2> $2.143 \times {10}^{18} \: \: atoms$ </h2>

Explanation:

To find the number of atoms given the number of moles we use the formula

N = n × L

where

N is the number of entities

n is the number of moles

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question

$n = 3.559 \times {10}^{ - 6} \: mol$

Substitute the values into the above formula and solve

That's

<h3> $N = 3.559 \times {10}^{ - 6} \times 6.02 \times {10}^{23} \\ = 2.1425 \times {10}^{18}$ </h3>

We have the final answer as

<h3> $N = 2.143 \times {10}^{18} \: \: atoms$ </h3>

Hope this helps you

3 0

4 years ago

help plz Which list is in order from smaller to larger sediment particles? A. sand, silt, clay B. clay, silt, sand C. silt, sand

MariettaO [177]

Answer : The correct option is B (clay, slit, sand).

Explanation :

Soil particles are of three types : Sand, Slit and clay. Most of the soils particles are made up of a combination of sand, slit and clay.

Particle size range of the sand = 2.00 -0.05 mm

Particle size range of the slit = 0.05 -0.002 mm

Particle size range of the sand = less than 0.002 mm

Sand is the largest soil particle, clay is the smallest soil particle and slit particle is present in between the sand & clay particle.

Therefore, the order from smaller to larger sediment particles is

Clay > Slit > Sand

5 0

4 years ago