1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Neporo4naja [7]
4 years ago
8

What is different about parasitism compared to the other biological relationships such as mutualism, predation, competition, and

commensalism?
A.) parasitic organisms cause harm to other organisms.
B.) parasite must use a host organisms that may/may not die as a result of the relationship.
C.) host is neither helped nor hurt by the parasite.
D. )Both the parasite and the host are helped.
Physics
2 answers:
natka813 [3]4 years ago
5 0
I believe A) parasitic organisms cause harm to other organisms.
professor190 [17]4 years ago
4 0

The Answer is C. Not A

You might be interested in
What is the half-life of a compound if 75 percent of a given sample of the compound decomposes in 60 min? assume first-order kin
LenKa [72]
The amount left of a given substance can be calculated through the equation,
                                              A = (A0) x 0.5^n/h
From the given scenario, 
                                           A/A0 = 0.75 = 0.5*(60/h)
The value of h from the equation is 144.565 minutes. 
6 0
4 years ago
A 4 cm diameter "bobber" with a mass of 3 grams floats on a pond. A thin, light fishing line is tied to the bottom of the bobber
Tasya [4]

Answer:

Explanation:

Calculate the volume of the lead

V=\frac{m}{d}\\\\=\frac{10g}{11.3g'cm^3}

Now calculate the bouyant force acting on the lead

F_L = Vpg

F_L=(\frac{10g}{11.3g/cm^3} )(1g/cm^3)(9.8m/s^2)\\\\=8.673\times 10^{-3}N

This force will act in upward direction

Gravitational force on the lead due to its mass  will act in downward direction

Hence the difference of this two force

T=mg-F_L\\\\=(10\times10^{-3}kg(9.8m/s^2)-8.673\times 10^{-3}\\\\=8.933\times10^{-3}N

If V is the volume submerged in the water then bouyant force on the bobber is

F_B=V'pg

Equate bouyant force with the tension and gravitational force

F_B=T_mg\\\\V'pg=\frac{(8.933\times10^{-2}N)+mg}{pg} \\\\V'=\frac{(8.933\times10^{-2}N)+mg}{pg}

Now Total volume of bobble is

\frac{V'}{V^B} =\frac{\frac{(8.933\times10^{-2})+Mg}{pg} }{\frac{4}{3} \pi R^3 }\times100\\\\=\frac{\frac{(8.933\times10^{-2})+(3)(9.8)}{(1000)(9.8)} }{\frac{4}{3} \pi (4.0\times10^{-2})^3 }\times100\\\\

=\large\boxed{4.52 \%}

7 0
3 years ago
How many protons neutrons and electrons are in fluorine and in bromine
AfilCa [17]
Flourine:
There are 9 protons, 10 neutrons, and 9 electrons.

Bromine: Ther are 35 protons, 45 neutrons, and 35 electrons.
7 0
3 years ago
Hopping is performed on 2 feet<br><br><br> True<br> False
gizmo_the_mogwai [7]
True welcome₩₩ sorry
8 0
3 years ago
Read 2 more answers
A Honda Civic travels in a straight line along a road. Its distance x from a stop sign is given as a function of time t by the e
mash [69]

Answer:

(a) V_{avg}=2.868m/s

(b) V_{avg}=5.352m/s

(c) V_{avg}=7.836m/s

Explanation:

Given data

x(t)=αt²-βt³

α=1.53m/s²

β=0.0480m/s³

First we need to find distance x at these time so

x(t)=1.53t²-0.0480t³

at t=0

x(0)=1.53(0)²-0.0480(0)³=0m

at t=2

x(2)=1.53(2)²-0.0480(2)³=5.736m

at t=4s

x(4)=1.53(4)²-0.0480(4)³=21.408 m

For(a) Average velocity at t=0s to t=2s

The average velocity is given as

Vavg=Δx/Δt

V_{avg}=\frac{x_{f}-x_{i} }{t_{f}-t_{i}}\\  As\\x(0)=0m\\x(2)=5.736m\\V_{avg}=\frac{5.736m-0m }{2s-0s}\\V_{avg}=2.868m/s

For(b) Average velocity at t=0s to t=4s

The average velocity is given as

Vavg=Δx/Δt

V_{avg}=\frac{x_{f}-x_{i} }{t_{f}-t_{i}}\\  As\\x(0)=0m\\x(4)=21.408m\\V_{avg}=\frac{21.408m-0m }{4s-0s}\\V_{avg}=5.352m/s

For(c) Average velocity at t=2s to t=4s

The average velocity is given as

Vavg=Δx/Δt

V_{avg}=\frac{x_{f}-x_{i} }{t_{f}-t_{i}}\\  As\\x(2)=5.736m\\x(4)=21.408m\\V_{avg}=\frac{21.408m-5.736m }{4s-2s}\\V_{avg}=7.836m/s

8 0
3 years ago
Other questions:
  • A material containing few free electrons, which permit very little flow of electrical current is a
    11·1 answer
  • A plane traveled west for 4.0 hours and covered a distance of 4,400 kilometers. What was its velocity? 18,000 km/hr
    5·2 answers
  • A weightlifter raises a 200-kg barbell through a height of 2 m in 2.2 s. the average power he develops during the lift is
    5·2 answers
  • Which best describes nuclear fission?
    13·2 answers
  • A spacecraft with a proper length of 250 m passes by an observer on the earth. according to this observer, it takes 0.770 µs for
    7·1 answer
  • How does the structure of mitochondrial on affect its structure
    15·1 answer
  • A ball is thrown upwards at 20m/s what is its displacement from its starting position at 7 seconds
    6·1 answer
  • The first law of thermodynamics describes how the heat added to a system is conserved. Heat the internal energy of the system or
    11·1 answer
  • Which formula gives the value of velocity ratio of wheel and axle?​
    14·1 answer
  • Which type of tissue contains macrophages and mast cells?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!