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3 years ago

How toads lay their eggs differently than frogs

2 answers:

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Female American toads lay their eggs in freshwater. Hatching occurs 3 to 12 days after laying, depending on the temperature of the water. The tadpoles group together and feed and grow for 40 to 70 days. When the tadpoles hatch they have gills located on the sides of their heads just posterior to their mouths.A. Jelly-like masses of eggs are called frog's spawn. Here's how frog spawn happens: A female frog lays eggs under water, usually in the spring. She may layas many as 20,000 eggs. The male frog climbs on her back and fertilizes the eggsas they are laid.

Rina8888 [55]3 years ago

4 0

Toads eggs are normally near the water, attached to leaves or grass. They are normally in strands resembling black beads.
Frogs spread their eggs out on the water in clusters that are roundish. They look like a little clear glob with a black dot in them.

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How is hydrogen gas prepared in laboratory? Explain along with chemical equation.

xeze [42]

Answer:

The hydrogen gas is prepared in the laboratory required zink granules, dilute sulphuric acid or dilute hydrogen chloride, flask or woulfe’s bottle, and thistle funnel. by the downward displacement of water because it is a gas lighter than water

Reaction:

Zn (s)+2HCl (aq) →ZnCl2(aq)+H2(g)

Zn (s)+H2SO4(aq)→ZnSO4(aq)+H2(g)

The zinc granules are taken in a flask or Woulfe’s bottle and It is connected with the delivery tube to a water trough containing water. Dilute sulphuric acid is poured slowly from the thistle funnel. The hydrogen gas is released and collected in a gas jar by by the downward displacement of water as H2 gas lighter than water

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3 years ago

Why is it important to study our solar system?

Sergeu [11.5K]

Answer:

See below

Explanation:

From Nasa:

"Understanding the planets and small bodies that inhabit our solar system help scientists answer questions about its formation, how it reached its current diverse state, how life evolved on Earth and possibly elsewhere in the solar system, and what characteristics of the solar system lead to the origins of life."

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3 years ago

Which scale would most likely be used to tell how much earthquake damage was done to homes and other buildings?

viva [34]

Answer:

There are two primary scales used to measure earthquakes: the Richter scale and the Mercalli scale.

Explanation:

The Richter scale is most common in the United States, while worldwide, scientists rely on the Mercalli scale.

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3 years ago

Many European countries work to provide social protections for citizens. The goal of social protections is to __________. A. hel

Mumz [18]

A. Help take care of those in need, such as the poor.

This is a tenet of social programs and socialism.

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3 years ago

Read 2 more answers

the map shows rockaway peninsula toward which direction is sand being transported along teh shoreline within the zone of breakin

hichkok12 [17]

Sand is suspended in the water of seas and oceans by the action of waves and currents, and it is then deposited by the same wave action and storm surges at high tides or high water levels. Over time, the sand accumulates to create beaches, which are actually enormous sandbars.

<h3>Where will sand deposition cause the beach to spread for the first time?</h3>

around the area where the waves break. The sediments rub up against one another as a result of the moving water.

<h3>What is the primary reason for the incoming waves?</h3>

The most frequent waves are surface waves, which are brought on by wind moving over the air-water interface and causing a disturbance that gradually increases as the wind blows and the wave crest rises. The waves you see at the beach often are surface waves, which are continually present around the world.

To Know more about sandbars.

brainly.com/question/752555

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1 year ago