Question

solid have their melting and billing points below room temperature
is it true or false

fill up

1 our veins carry impure blood from the heart to................
2 .............. was the first to send and receive radio waves.

question
who discovered the Green House Effect in 1824

pls help
I will definitely mark them as braunlist ​

Answer 1

solid doesn't have melting point below room temperature.so it is false

our vein carryimpure blood from the heart to lungs

Reginald Fessenden was the first to send and receive radio waves

Joseph Fourier discovered green House effect in 1824

Answer 2

no solids have rigid structures so they are tightly packed.so they need to be heated at high temperatures to achieve melting and boiling points.
veins carry impure blood from cells to heart.
please mark it as brainliest.