First one because Common synthetic materials are nylon, acrylic, polyester, carbon fiber, rayon and spandex. Synthetic materials are made from chemicals and are usually based on polymers. They are stronger than natural and regenerated materials.

7 0

2 years ago

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Calculate the volume of an object that has a density of 4 g/mL and has a mass of 128 grams. Show your work

SOVA2 [1]

The first one is 32mL and the second one is 2.62 and I think it’s grams/mL I’m not for sure about the letters on the second one

4 0

2 years ago

The atomic number of an element gives the number of __ and __in the atom while the mass number gives the total number of__and__

posledela

The atomic number of an element gives the proton and electron in the atom while the mass number gives the total number of protons and neutron

8 0

3 years ago

What is the new pressure if a gas takes up 350.0 mL of space at 745.0 mmHg and is pushed into 340.0 mL of space?

dolphi86 [110]

Hope this helps you please mark as brainliest

4 0

3 years ago