Answer:
Element is a substance that cannot be broken down into simpler substances. Atoms are the smallest particle of an element. An element has a fixed composition because it contains only one type of atom.
Answer:
For a full list of topics: A-Z Index ... We know that not all birth defects can be prevented. ... avoid harmful substances, choose a healthy lifestyle, and talk with your ... one month before and during pregnancy, it can help prevent major birth defects of ... planning a pregnancy, she should not stop taking medications she needs or .
Explanation:
Answer:
Explanation:
Because for example White blood cells which im pretty sure is Tcell if im not mistaken fight and the body from bacteria, theres a cell that clots at a wound and blood cells deliver oxygen through the body if all cells were to function the same way we all probaly wouldnt live but a few years in the slightest and there goes the human race GONE
They surround and engulf foreign objects and organisms- process called phagocytosis
Answer:Option A
Explanation: The snail breaths in the O2 which will then exhale CO2, therefore the plant will take that and process the CO2 back into O2.