Przemek Pietrak

Przemek Pietrak

Przemek Pietrak
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In South America, what is the typical reason for breeding guinea pigs? Food! Guinea Pig is traditional food in the Andes. Peruvians consume an estimated 65 million guinea pigs each year. Since the 1960s, efforts have been made to increase consumption of the animal outside South America.

In South America, what is the typical reason for breeding guinea pigs?

What kind of lobster is red when fully grown up? none! The normal coloration of lobster is dark bluish green to greenish brown, redder on the body and claws, and greener on the legs.  An estimated one in 2 million lobsters are blue. All of them turn red after cooking.

What kind of lobster is red when fully grown up?

How come vampire bat manage to drink enough blood before its host throws it off? it is unnoticed by the host! Vampire bats hunt during nights, seeking for sleeping animals. It doesn't land directly on a host, but instead lands nearby and approaches it on the ground. They make a small cut using razor sharp teeth and slowly lick the blood. A single feeding can last for 20 minutes.

How come vampire bat manage to drink enough blood before its host throws it off?

Which animal has three hearts? cuttlefish! Cuttlefish is a Cephalopod. Cephalopods are characterized by three hearts. Central heart and two additional gill hearts (branchial hearts) at the base of their gills. They have two circulatory systems: big (heart-body-gill heart) and small (gill heart-gills-heart).

Which animal has three hearts?

What kind of feeding is bullfinch's beak adapted to? grain eating! Strong, stubby beaks of finches are adapted for picking and crushing grain seeds. Insect catching birds have typically smaller beaks, as they don't need to crush them with such force.

What kind of feeding is bullfinch& beak adapted to? Strong, stubby beaks of finches are adapted for picking and crushing grain seeds. Insect catching birds have typically smaller beaks, as they don& need to crush them with such force.

How many chromosomes does a mule have? (A horse has 64, a donkey has 62) 63! A mule is the offspring of a male donkey and a female horse. Mules have 63 chromosomes, a mixture of the horse's 64 and the donkey's 62.

How many chromosomes does a mule have? (A horse has a donkey has A mule is the offspring of a male donkey and a female horse. Mules have 63 chromosomes, a mixture of the horse& 64 and the donkey&

Na jaką odległość strzelało Działo Paryskie?  130 km! Działo służyło Niemcom do ostrzału Paryża zza linii frontu podczas I wojny św. Pocisk osiągał wysokość 40 km i był pierwszym sztucznym obiektem, który dotarł do stratosfery. W tym momencie lotu nie napotykał on praktycznie oporu powietrza, stąd ogromny zasięg działa.

What was the maximum effective range of the Paris Gun?

Co ma większy rozmiar kątowy na ziemskim niebie: Słońce czy Księżyc?  czasem jedno, czasem drugie ! Orbita Księżyca jest eliptyczna i jego obserwowana średnica zmienia się w czasie o ok. 10%. Dzięki temu występują zarówno zaćmienia całkowite, jak i obrączkowe - podczas których słońce "wystaje" poza obręb Księżyca.

Co ma większy rozmiar kątowy na ziemskim niebie: Słońce czy Księżyc?