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3 years ago

Which accurately describes solar weather? Choose the two correct answers.

Biology

1 answer:

harkovskaia [24]3 years ago

3 0

Answer:

C & D

Explanation:

C - The Sun has an 11 year solar cycle. When the solar cycle is at a <em>minimum</em>, active regions of the sun are rare and not many solar flares are detected. They dramatically increase as the Sun approaches the <em>maximum</em> part of its cycle.

D - It's the Sun. It's moody. Solar flares are pretty sporadic, they're sudden and often unpredictable.

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Tiger beetles are such fast runners that they can capture virtually any nonflying insect. However, when running toward an insect

Delicious77 [7]

Answer:

The correct answer is option (B) "In pursuing a swerving insect, a beetle alters its course while running and its pauses become more frequent as the chase progresses".

Explanation:

One hypothesis suggest that the tiger beetles stop for a moment when they attack because it can't keep its pace and they have to rest, while the other hypothesis suggest that the tiger beetles could not process the rapidly changing visual information when running. The experiments results would support only the second hypothesis if they show that in pursuing a swerving insect, a beetle alters its course while running and its pauses become more frequent as the chase progresses. If a beetle altering its course have to stop more often than a beetle running straight, it would make sense that it has to stop because is unable to process the changing visual information rapidly enough.

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3 years ago

Whenever two DNA profiles match, statistical analysis must be performed

Bess [88]

I think that the answer is: true

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3 years ago

Describe one way in which osmosis is similar to simple diffusion and one way in which it is different.

Maslowich

Water or other molecules move down their concentration gradient without any energy.........

difference - simple diffusion uses help of transporting protein in the membrane whereas osmosis uses no help.

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3 years ago

A ship is at anchor. Over its side hangs a rope ladder with rungs a foot apart. The

Triss [41]

Answer:

At the end of 6 hours, 6 feet of the ladder remained above water

Explanation:

we are given the following:

change in tide = 8 inches per hour

1 hour = 8 inches

∴ 6 hours = 8 × 6 = 48 inches

Now, since the length of the ladder is measured in foot, let us convert the rate of tide rising to foot.

12 inches = 1 foot

dividing both sides by 12:

$1\ inch=\frac{1}{12}\ feet\\ \therefore 48\ inches\ =\ 48\ \times \frac{1}{12}\\ =\frac{48}{12}\\ = 2 feet$

Therefore, after 6 hours, the tide rises by 2 feet.

Next, we are told that the rope ladder at the beginning was 8 feet, hence the length remaining above water after 6 hours of the rising of the tide is calculated as follows:

= 8 feet above water

height of tide = 2 feet = amount submerged in water

∴ length above water = (ladder before rising of the tide) - (amount submerged in water)

length above water = 8 - 2 = 6 feet

Therefore at the end of 6 hours, 6 feet of the ladder remained above water

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3 years ago

How can reseachers prevent mistake ans errors in thier experiments

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3 years ago