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3 years ago

Why did the number of sea turtles decrease due to global warming?

1 answer:

eduard3 years ago

8 0

Hotter sand from increasing temps results in decreased hatching rates or nest failure. High sand temps also affect hatchlings by altering natural sex ratios, with hotter temps producing more female hatchlings. Sea turtles use ocean currents to travel and find prey. Warming ocean temps influence migratory species by altering currents and impacting the distribution and abundance of prey species.

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Which statements describe properties of stars check all that apply

VikaD [51]

Answer:

Stars produce energy through nuclear fusion.

Stars are massive objects composed of gas.

Stars are composed primarily of hydrogen and helium.

Explanation:

Stars are massive objects that have a large gravitational field, which drives the star to contract on itself, which is why fusion occurs: in the center of the star the nuclei of atoms are already so close due to gravity and high temperatures that bind. This is what is called nuclear fusion and is the energy source of a star.

On the other hand yes, the main elements of a star are hydrogen and helium (two hydrogen nuclei fuse to make helium), this makes the star mainly a huge ball of gas so there is no solid surface where you can stand on.

And about water on a star, that is not possible. Temperatures on stars are very very high that water could not exist in a liquid form on them.

7 0

3 years ago

1) Beth rode the Flying Saucer ride at her favorite amusement park. The ride hung from a rod and swung back and forth while simu

quester [9]

Since Beth rode the Flying saucer ride which is spinning on its axis while axis is moving to and fro as well, so here Beth will experience two motions in this case

(i) Spinning motion

(ii) Rotational motion

Jill and Scott both traveled for 30 min

So time of motion for both is 0.5 h as we know that 1 h = 60 min

Now from the formula of speed we know that

$speed = \frac{distance}{time}$

Speed of Jill

$v_1 = \frac{5}{0.5} = 10 km/h$

speed of Scott

$v_2 = \frac{10}{0.5} = 20 km/h$

so correct answer is

B) Scott had the faster speed since he rode at 20 k/h while Jill only traveled 10 km/h.

Since we know that acceleration is rate of change in velocity

So here we can say that every motion where velocity changes with time then it is an accelerated motion.

Now change in velocity occurs when either the magnitude will change or its direction will change because here velocity is a vector quantity and it will change with magnitude and direction both.

so here due to oval path the direction of velocity will changes at many points and hence it will be an accelerated motion.

so correct answer is

C) James was right since the car changed direction during the race.

6 0

3 years ago

Read 2 more answers

List three devices that use electric current from batteries and three that use regular house current.

Bond [772]

Charger
counsels
TV

Fan
light
car

4 0

4 years ago

A force of 200N acts between two objects at a certain distance apart .the value of the force when the distance is halved is?

statuscvo [17]

Answer:

800N is the answer

Explanation:

hope it helps

6 0

3 years ago

Calculate the mass of ice that requires 240000 J to change its state to water ? Water Latent Heat of fusion 2.66 x 10 +^5 (10 ra

Evgesh-ka [11]

Answer:

Explanation: 1.108

8 0

3 years ago