Answer:
A
Explanation:
A salad with lettuce, cheese, seeds, tomatoes, broccoli, and other vegetables is an example of a heterogeneous mixture.
Milk is not mixed with anything so that is incorrect
River water is mixed in with dirt and minerals so this one is incorrect
Beach sand is incorrect because you can see colored particles.
Carbon dioxide and what state it doesn’t make no sense
Contact transmission<span> is the most common form of </span>transmitting<span> diseases and virus. There are two types of contact </span>transmission<span>: </span>direct<span> and </span>indirect<span>. </span>Direct<span> contact</span>transmission<span> occurs when there is physical contact between an infected person and a susceptible person. Cheers and god bless
AlexFray555
Please put brainliest!</span>
Aluminum. chemical element with symbol Al
