Which statements represent convection? check all that apply

black asphalt gets very hot on a sunny day

the movement of air in a hot air balloon makes it rise into the sky

adark sand beach can burn the soles of your feet

a spoon gets warm from sitting in a soup pot

a house has high heating bills because the heat ends up in the attic

a house loses heat through an exterior wall.

The movement of air in a hot-air balloon makes it rise into the sky. A house has high heating bills because the heat ends up in the attic.

Explanation:

Thermal convection is the process of heat transmission in which thermal energy propagates through the transport of matter, due to a density difference and the action of gravity. In this sense the warmer matter becomes less dense and tends to rise, while the cold matter tends to go down. Two examples of this are:

The movement of air in a hot-air balloon makes it rise into the sky. A house has high heating bills because the heat ends up in the attic.

This is what i did 45-5=4040÷4=10so there are 10 white marbles but am not sure is just a question that am not sure

Determine the cause of death for anna garcia

we need additional information in order to determine the cause of death for anna garcia. there are at least 3 things with explanation included as to why we need them are as follows:

there would be some predate medical situations.there would be a report about the cause that why she was there for backache from the hospital.there would be a report about what she injected in her thigh that she suffered from backache.