Which of the following is the best example of physical weathering?O Sediment piling up at the mouth of a river
O Plant roots growing through concrete and splitting it
O Waves carrying sand away from a beach
OSmall rocks being carried along a river bed

Answers

Answer 1

Answer:

The best example of physical weathering is as follows:

Plant roots grow through concrete and split it.

Thus, the correct option for this question is B.

What is Weathering?

Weathering may be defined as a process through which numerous rocks and minerals found on the earth's surface are considerably broken down into smaller fragments. The process of weathering is facilitated by different components like water, wind, ice, etc.

Physical weathering may be defined as a type of process that stimulates the disintegration of rocks, minerals, and soil components without undergoing any chemical change. Some examples of physical weathering are as follows:

Biological activities or Root wedging.
Salt crystallization.
Abrasion weathering.
Frost wedging.

Therefore, plant roots grow through concrete and split represents a process of biological activities or root wedging. So, the correct option for this question is B.

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Answer 2

Answer:

Answer:

Plant roots growing through concrete and splitting it.

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Both the tundra and the desert experience/contain:I. permafrostII. low precipitationIII. poorly developed soilsIV. animals with extreme adaptations V. hot days and cold nightA) II only B) I and II only C) II, III, and IV only D) III, IV, and V only

Why are landslides considered to be natural hazards?

Answers

Answer:

Landslides are more widespread than any other geological event. They are defined as downslope transport of soil and rock resulting from natural phenomena or man made actions. There can be different types of movements: falls, slides, topples, lateral spread, and flows. Landslides can be secondary effects of heavy storms, volcanic eruptions and earthquakes.

Why are objects that fall near Earth’s surface rarely in free fall?

Answers

Answer:

The correct answer is because of gravity and air resistance.

Explanation:

When we speak of free fall, we are referring to something that falls "into the void", and which has no force to oppose such a fall.

Due to the gravity and atmosphere of our planet, this situation is not possible. When an object falls close to our surface, it is very difficult to do it in free fall. Gravity is going to pull this object down, which along with air resistance, will cause the object to fall at a constant speed.

Objects that fall near the Earth's surface are rarely in free fall because the gravity of the Earth is affecting them too much.
Free fall is what most people would call "floating," as an object in free fall has gravity acting upon it enough to hold it in a general distance, but not enough to pull it closer. For example, the moon is in free fall, as the gravity of Earth keeps it close, but isn't strong enough to bring it much closer from where it's at.

Use the Drop down menus to label the landforms in the image.A: Anticline, syncline, or fault-block mountain

B: Anticline, plateau, or syncline

Giving 50 points

Answers

A convex upward fold is referred to as an anticline, and a concave upward fold is referred to as a syncline. In contrast, a synclinorium is a big syncline on which tiny folds are superimposed, while an anticlinorium is a massive anticline.

What Anticline and Syncline act as landforms?

Anticlines are folds that are curved upward to generate ridges, while synclines are curved downward to form troughs. Typically, anticlines and synclines are constructed of numerous folded rock units. The nose is the end of a fold.

The downwards arc or curve of a fold is known as a syncline. In geology, a fold is a bend in a rock stratum brought on by forces deep inside the earth's crust. Folds are brought about by a variety of factors, from small variations in crustal pressure to significant collisions of tectonic plates.

Therefore, A. Anticline B. Syncline

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Answer: A. Anticline

B. Syncline

Explanation:

Do predators really kill only the old and sick prey? What evidence is there for this statement

Answers

No, but it is known that old/sick prey is much easier to catch. The evidence is that, say, there's no old and sick prey. The predator has to eat regardless, and whatever is there for it to take, it will. Think of a lion and a zebra, and the zebra is eating grass in the middle of a field. The lion is going to take that chance.

Nope predator catches the preys they find not only the old and sick one but the old and sick prey would be catch more easily as compared to the healthy and strong ones

What is a decomposer