During which period did the first large herbivores and carnivores appear?

Answers

Answer 1

Answer: The first large herbivores and carnivores appeared during the Mesozoic Era, which is divided into three periods-- Triassic, Jurassic and Cretaceous. The herbivores and and carnivores increased in size during the Jurassic Period. And some of the largest dinosaurs emerged during this period as well.

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After tasting the salt in the ocean water on a visit to the beach one day, you recall from class that the salt is the __________ in the ocean water. A. solid
B. solute
C. solution
D. solvent

Answers

Solid is a stateof matter having no space in a volume, made entirely of compact material.
Solute is adissolved substance is a dissolved substance in a solution.Solution is theone that dissolves the solute.
Solvent is theone that dissolves either a solution or solute.
Based on thedefinitions, the answer is letter B. solute.

Answer:

B. Solute

Explanation:

I've taken this on USATestPrep

If We Start With 400 Atoms of a Radioactive Substance, How Many Would Remain After One Half-life ?

Answers

If it's half life, that means that half of the atoms have died out. Therefore, 200 atoms have died, so there are 200 atoms left (exactly one half of 400)

200, the half life of a radioactive substance is pretty simple to remember. It is literally cutting it in half, however, don't make the same mistake I did in this subject, the second half life does not reduce it to 0, it reduces it to 100. It just keeps half-lifing over and over again. For example: 400 atoms after one half life:200, after two: 100, after 3, 50, and so on.

The bigger an object is the smaller the force of gravity. True or False

Answers

The statement the bigger an object is the smaller the force of gravity on the object is False.

The force of gravity is dependent on the mass and corresponding weight of

objects and not on the size. The force of gravity is directly proportional to

the mass and inversely proportional to the distance between them.

A bigger objectdoesn't translate to a bigger mass which the reason why the

assertion in the question is not true.

Read more on brainly.com/question/14741199

Answer:

False

Explanation:

The force of gravity depends on the mass of an object as its directly proportional to mass. This is according to Newtons law of gravitation which states that the force of gravitation between two objects is directly proportional to the masses of the object and inversely proportional to their distance apart. An increase in an object mass will lead to an increase in the force of gravity.

The sun is the ultimate source for energy on the Earth.
a. True
b. False

Answers

So we want to know is it true or false that the Sun is the ultimate source of energy on Earth. The answer is true because fossil fuels are solar energy trapped in the Earth's surface. Water cycle is dependent on solar radiation and we use water to produce electricity. We use solar panels to produce electrical energy. And also, all plant life harvests solar energy.

This statement is TRUE.

The potential of electrons in a circuit can be increased by _____. flowing through the conducting wires
the action of a battery
passing through a circuit element
water pressure

Answers

Answer: The potential of electrons in a circuit can be increased by the action of the battery.

Explanation:

A battery is a source of energy. It provides push to voltage so that the current can flow in the circuit.

For example, the electrical energy is used by the bulb connected in the circuit. The electrical energy is provided by the battery. If the energy of the battery is used up then no current will flow in the circuit. Then the bulb will not glow in this case.

Therefore, the potential of electrons in a circuit can be increased by the action of the battery.

The potential of electrons in a circuit can be increased by the action of a battery.

♡♡Hope I helped!!! :)♡♡

Is flannel shirt a conductor or a insulator

Answers

Answer:

A flannel shirt is an insulator.

Explanation:

A conductor is a material in which electric current can flow easily. Some examples of conductors include metals, such as copper. In contrast and insulator does not allow electric current to pass through it. Usually non-metallic items are considered good insulators. Imagine if you got shocked and your clothes were conductors! You would get quite a shock.

A flannel shirt is an insulator

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What’s the answer here? is it d or c i’m confused