The answer is A because the heart pumps blood from the heart through pulmonary artery that is low in oxygen and high in carbon dioxide concentration, to the lungs.
Answer: check below
Carbon dating is accurate only for objects less than 60,000 years old. Use the idea of half-life to explain this limitation. (1 point) Hint Carbon-13’s half life is 6,000 years
Explanation:
HOpe helps
:3
Answer:
C,
Explanation:
The sand is just small rocks and pebbles broken down, we know that on a hot day rocks can heat up if left alone for long enough especially if they are dry.
Answer:
<em>Steps of photosynthesis:</em>
<em></em>
Step 1: Energy is captured from sunlight.
Step 2: Light energy is converted to chemical energy,
which is temporarily stored in ATP and the energy
carrier molecule NADPH.
Step 3: The chemical energy stored in ATP and NADPH
powers the formation of organic compounds, using carbon
dioxide (CO2
).
Explanation:
