Физический смысл понятия «плотность вещества». Плотность показывает, чему равна масса вещества, взятого в объёме 1 м3 Физическим смыслом плотности является число, показывающее, чему равна масса тела в кг (или г), взятого в объеме 1 м3 . Чтобы найти плотность вещества, надо массу тела разделить на его объём.
Ответ:
я написала 5 предл
Объяснение:
надеюмь понятно <em /><em />
1. The entrance to the halls of the Museum visitors upon presentation of an entrance ticket.
2. Excursion activity is carried out in the halls of the Museum guides.
3. Photo and video filming in the exhibition rooms visitors with a special ticket.
4. Visitors are prohibited from:
4.1 Allowed in halls:
a) firearms and cold weapons;
b) large bags, packages and other carry-on baggage;
b) food;
d) flammable, explosive and poisonous substances;
4.2 to Pass to the Museum of animals;
4.3 Smoking in the premises of the Museum;
4.5 to be in the halls of the Museum:
a) in a condition of alcoholic or narcotic intoxication;
b) the upper garment;
4.6 to be on the Museum grounds, is prohibited for access by visitors;
4.7 Touch Museum's exhibits and showcases in which they are located, with the exception of objects in interactive areas;
4.8 to Carry out unauthorized commercial activity;
4.9 Without a valid reason to speak loudly, to shout, to run through the halls.
5. Upon detection of suspicious objects, parcels, bags and other belongings left in the rooms of the Museum, visitors should immediately inform the caretakers, security staff members or other employees of the Museum.
<span>6. Visitors must observe the Rules, comply with the requirements of the Museum staff.</span>
Ответ:
I. I bought a new dress last week, but I have not worn it yet
2. I have already seen that film. I saw it when i was on business.
3. When have you met Ben? I met him yesterday.
4. Have you ever spoken to him? Yes, i spoke to him at the party.
5. I have just had my lunch.
6. I have already made 5 mistakes. Yesterday i made 3 mistakes
Объяснение: