<span>
are always unicellular
may have evolved from prokaryotes
</span><span>are more primitive than prokaryotes
</span>
Answer:
D: Black hole
Explanation:
The formation and life cycle of stars
A nebula. A star forms from massive clouds of dust and gas in space, also known as a nebula. ...
Protostar. As the mass falls together it gets hot. ...
Main sequence star. ...
Red giant star. ...
White dwarf. ...
Supernova. ...
A neutron star or black hole.
This might refer to the phosphorus cycle.
Phosphorus cycle is a biogeochemical cycle that observes how phosphorus move through minerals, soil, water, and organisms. Typically, plants absorb phosphorus from the soil. And animals get phosphorus from the eaten plants. When these organisms dies, they decay and the phosphorus returns to the soil and inorganic matter.
Answer:
Publishing results of research projects in peer-reviewed journals enables the scientific and medical community to evaluate the findings themselves. It also provides instructions so that other researchers can repeat the experiment or build on it to verify and confirm the results.
Explanation:
Plants use sugars and mineral from the sail to make food and use the energy from the sun to create the sugars used to make the food. They also use the carbon dioxide from the air to help create the food.
