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4 years ago

Which is not correct about cancer risks?

1 answer:

8 0

The lifetime risk of developing cancer is a chance a person has over his or her lifetime and can be diagnose of having a cancer. In the scenario about the cancer risks, the answer would be c. the more you drink, the lower your risk is. The more alcohol one's drink does not mean it will lower one's risk of developing cancer.

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Explain the difference between the offspring of sexual

Debora [2.8K]

Answer:

asexual reproduction is produced without intercorse while sexual reproducttion is with intercorse

Explanation:

7 0

3 years ago

Read 2 more answers

What is the movement of substances into and out of a cell without the use of energy is called ?

Arturiano [62]

Hello.

The answer is Passive transport.
The movement of substances in and out of a cell membrane without the use of energy by the cell.

Have a nice day

5 0

3 years ago

Which body membrane protects the body from water loss?

JulsSmile [24]

This member of the body that protects us from water loss is called-- Cutaneous.

Hope this helps<3

8 0

3 years ago

Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor turning at a constant angular velo

vlada-n [284]

Answer :

(a) The angular speed of this bacterial motor is $1.6\times 10^3s^{-1}$

(b) The time taken by the motor to make one revolution is $3.9\times 10^{-3}s$

Explanation :

(a) To determine the angular speed of this bacterial motor.

Angular speed : It is defined as the rate at which an object changes its angle.

Formula used :

$\omega=\frac{v}{r}$

where,

$\omega$ = angular speed

v = tangential speed = $2.1\times 10^{-5}m/s$

r = radius = $1.3\times 10^{-8}m$

Now put all the given values in the above formula, we get:

$\omega=\frac{2.1\times 10^{-5}m/s}{1.3\times 10^{-8}m}$

$\omega=1.6\times 10^3s^{-1}$

Thus, the angular speed of this bacterial motor is $1.6\times 10^3s^{-1}$

(b) to determine the time taken by the motor to make one revolution.

Formula used :

$T=\frac{2\pi}{\omega}$

where,

T = time

Now put all the given values in this formula, we get:

$T=\frac{2\times 3.14}{1.6\times 10^3s^{-1}}$

$T=3.9\times 10^{-3}s$

Thus, the time taken by the motor to make one revolution is $3.9\times 10^{-3}s$

6 0

3 years ago

Charles Darwin observed a unique beak size and shape in the finch population of each of the Galapagos Islands that he visited. 4

Rasek [7]

Natural selection would probably favor different varieties in the different islands. In other words, beaks changed as the birds developed different tastes for fruits, seeds, or insects picked from the ground or cacti (due to lack of food resources). Long, pointed beaks made some of them more fit for picking seeds out of cactus fruits.

Hope This Helps!

7 0

4 years ago